SA Geoscientists
Brett van Coller
Managing Director
About
Brett has over 24 years’ experience in exploration and mining projects across Africa.
After graduating from the University of Cape Town in 1995 with Honours in Geology, Brett joined the Mineral Services Group responsible for the planning and implementation of grassroots exploration projects.
During this period Brett was responsible for developing the company’s field exploration techniques. He was also intergral to the development of the Mothae Kimberlite Project from conception through to economic evaluation.
In 2006, Brett became a founding member of Remote Exploration Services. Today, as Managing Director, he is responsible for the overall development, management and financial sustainability of the Company.
Qualifications
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Executive MBA
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B.Sc Hons., Pri.Sci.Nat.
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Class III Diver
Expertise
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Business Management
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Remote Exploration
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Logistics
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Project Planning
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Project Evaluation
Peter Hollick
Technical Director
About
Peter is a Registered Professional Natural Scientist and graduated from UCT in 1989 with an Honours Degree in Geology.
Prior to joining the Mineral Services Group in 2002 to manage their marine operation, he gained broad industry experience working as Mine Geologist for Anglo, for Benguela Concessions as Chief Geologist and Exploration Manager and culminating as Chief Geologist for TransHex responsible for all technical aspects of marine diamond mining operations along the west coast of South Africa and Namibia.
Since joining Remote Exploration Services (RES) as Technical Director in 2006, Peter has gained further experience in both diamond and non-diamond exploration and evaluation projects throughout Africa.
Peter’s key area of responsibility is ensuring the technical excellence of all aspects of RES operations.
Qualifications
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B.Sc Hons., Pri.Sci.Nat.
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Class III Diver
Expertise
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Technical Diligence
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Mineral Exploration
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Multi-Commodity Focus
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Multi-Disciplinary Approach
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Diamonds and Kimberlite
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Remote Field Operations
Thomas Krebs
Technical Director
About
Thomas is an exploration geologist with 17 years of industry experience, largely focussed on base and precious metal exploration projects. He holds a BSc. in Earth Science from the University of Berne, Switzerland (2006) and a MSc. in Exploration Geology from Rhodes University, South Africa (2010).
Thomas has extensive experience in various aspects of mineral exploration and is the technical lead on several projects. Areas of particular interest include: geochemical exploration, drilling projects, desktop reviews, mineral system models, and multidisciplinary results integration and interpretation. In the last couple of years Thomas has been immersed in the project generation, target generation, and research and development space.
Thomas is discovery driven and passionate about exploration, rocks and mentoring of young geologists to grow and reach their potential.
Qualifications
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MSc. Exploration Geology, Pri.Sci.Nat.
Expertise
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Geochemical Exploration
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Exploration Drilling Projects
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Target Generation
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Mentorship
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Research & Development
Daniel Jacobs
Consulting Geologist
About
After completing a BSc. in Applied Earth Sciences in 2006, BSc. Honours in Geology in 2007 and Masters in Geology at the University of Stellenbosch, Daniel joined Remote Exploration Services in 2011 and has more than 10 years of geological exploration experience primarily in the evaluation of kimberlites in South Africa, Lesotho, Angola and Botswana.
He is highly experienced in core logging, kimberlite pipe modelling, petrographic analysis of polished slabs and thin sections, management of diamond bulk and micro diamond sampling programmes, kimberlite indicator mineral analysis for the evaluation of diamond bearing potential and diamond sorting.
Daniel’s skill set extends to geochemical and geophysical data QC, processing and modelling. Daniel is also a member of the SEG - Young Professionals, SACNASP, GSSA and GSN.
Qualifications
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MSc Geology., Pri.Sci.Nat.
Expertise
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Kimberlite geology and evaluation
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Potential fields geophysics
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Geophysical interpretation
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Mineral sorting
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Laboratory management
Lutendo Mavhungu
Senior Geologist
About
Lutendo holds an Honours degree in Geology from Rhodes University and is currently enrolled in an Economic Geology MSc course at the University of the Witwatersrand, Johannesburg.
Lutendo joined Remote Exploration Services as a geologist in 2014. In her current Project Geologist role, her responsibilities include the management and implementation of field exploration programs, remote sensing, target generation, report writing, and client liaison.
Since joining RES, she has been involved in various exploration projects, spanning both greenfields and brownfields. Lutendo is passionate about mineral exploration and is dedicated to mentoring and training young professionals.
Qualifications
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B.Sc Hons.
Expertise
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Project management
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Drill management
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Operations
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Soil sampling
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Core logging
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Geophysical surveys
Dr. Stephan Dunn
Principal Geoscientist
About
Dr Stephan Dunn is a registered Professional Natural Scientist (SACNASP) and Principal Geologist at Remote Exploration Services. He holds a PhD in Geology from Stellenbosch University (2021), where his doctoral research focused on Neoproterozoic copper-gold mineralisation and orogenic gold systems along the southwestern margin of the Tanzania Craton; work that produced five peer-reviewed publications in leading international geoscience journals.
Since joining RES, Stephan has led and overseen exploration programmes spanning greenfields through brownfields across a broad range of African metallogenic provinces, with a technical focus on sediment-hosted copper, orogenic gold, and structurally-controlled Cu-Au-Ag deposits. His project experience spans the Kalahari Copperbelt, Central African Copperbelt, Damara Belt and Arabian-Nubian Shield, among others.
In his current role, he oversees technical project planning, peer review, client reporting and QAQC, while driving internal R&D initiatives and knowledge-sharing across the RES geoscience team. He is a member of the Society of Economic Geologists (SEG) and the Geological Society of South Africa (GSSA).
Qualifications
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PhD
Expertise
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Geological Mapping
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Project Management
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Analytical Interpretation
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Data Evaluation
Eric Kruger
Project Geologist / Business & Resource Manager
About
Eric joined Remote Exploration Services in 2019 and has progressed through the organisation from Geologist to Project Geologist and currently serves as Business & Resource Manager.
Prior to joining RES, Eric worked on exploration projects throughout Southeast Asia across a range of commodities including gold, manganese, coal and nickel laterite. During this time he was also involved in the establishment and management of a precious metals refinery, overseeing gold ore processing and refining operations.
Since joining RES, Eric has been involved in the planning, management and execution of geological and geophysical exploration projects across Africa. He has experience in geological core logging, as well as gravity, magnetic, induced polarisation (IP), electromagnetic (EM) and transient electromagnetic (TEM) geophysical surveys.
Eric manages multidisciplinary project teams and is responsible for the coordination of geological and geophysical programmes from project planning through to execution and reporting. He has worked extensively with major mining companies and has experience operating within stringent health, safety, environmental and quality management systems.
Qualifications
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B.Sc. Hons. Applied Geology
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Pri.Sci.Nat.
Expertise
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Geological Exploration
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Geophysical Exploration
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Exploration Programme Design
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Iron Ore Geology
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Project Management
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Remote Field Operations
Aaron Adler
Project Geologist / Business & Resource Manager
About
Aaron completed his B.Sc. Hons in Geology at UCT in 2016. Prior to joining RES in 2020 he worked in the private and public sector as a geohydrologist.
Aaron's responsibilities include project management, drill rig management, AirCore and diamond core logging, geophysical surveys and soil sampling.
Qualifications
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B.Sc Hons. (Cand. Sci. Nat)
Expertise
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Project Management
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AirCore logging
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Core logging
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Geophysical surveys
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Data Evaluation
Peter Cloete
Project Geologist
About
Peter joined RES in the beginning of 2019 as a fresh university graduate from Rhodes. Peter’s study focus was on structural interpretation of shear zones in the Namaqua-Natal belt. The 4-week field school, sponsored by RES, opened his eyes to exploration and drew his interest.
Since joining the team, Peter has run a soil sampling program in Kosovo, managed drill rigs and core logging in Botswana and has logged over 10 000m's of core for a Multi-National Mining Company in the Northern Cape.
Qualifications
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B.Sc Hons.
Expertise
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Project management
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Soil sampling
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Core logging
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Logistics
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Remote exploration
Gary Mesko
Project Geologist
About
Gary joined the RES team in 2021. He holds a PhD in Geochemistry from Columbia University in the City of New York.
He uses quantitative techniques to gain insight about the solid earth system, and the processes that cycle matter between its reservoirs. Prior to his move to Cape Town, Gary gained a wealth of experience in geochemistry through contributions to numerous projects in various laboratories at Lamont-Doherty Earth Observatory. His primary research focus was on the role of magma in continental rifting.
Gary is a perpetual learner driven by curiosity, and enjoys communicating science at all levels. He has presented research at international conferences and introduced the geosciences to students at many levels.
Qualifications
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Ph.D Geochemistry
Expertise
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Quantitative Methods of Data Analysis
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Experimental Design for Geochemistry
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GIS Mapping and Interpretation
Jorinda van Coller
Project Geologist
About
Jorinda completed a BSc Hons degree in Geology at the University of Pretoria with a particular focus on the geochronological dating of the red granite suite of the Kunene Anorthosite Complex, Angola. Her second major was in the field of GIS and Remote Sensing.
Exploration work including geological, geotechnical and geomettalurgical core logging on various commodities including: Iron (South Africa), Copper (Namibia, Botswana, Zambia and Angola) and Rare Earth Elements (Namibia) as well as trench logging for Lithium (Zimbabwe).
Experience in Diamond and Aircore Drill rig management, regional soil sampling and geological mapping.
Qualifications
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B.Sc Hons. Geology
Expertise
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Core and geotechnical logging
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Drill rig management
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AirCore logging and management
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Soil Sampling
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Project Management
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GIS and data management
Harry Lines
Project Geologist
About
Harry graduated from Stellenbosch with a BSc Hons in Earth sciences in 2019, with his thesis focusing on the dating and correlation of Dinosaur (Sauropod) eggshells From the Aix-En-Provence region of France. Continuing his education, Harry then began his Masters studies which involved formulating a method for using Remote Sensing and suitability modelling within ArcGIS to predict new fossil sites throughout the Skeleton Coast region of Namibia. Obtaining the Degree ‘summa cum laude’.
After taking a break from post graduate studies and getting involved in teaching English, Harry joined RES in February 2022. His initial work involved putting together commodity databases, working on project generation and working on a drilling project in central Namibia.
Qualifications
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MSc Geology (Sedimentology/GIS)
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Cum Laude - Stellenbosch
Expertise
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Field Mapping
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Sedimentology
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GIS
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Data Management
Jan Steytler
Project Geologist
About
Jan joined Remote Exploration Services in 2021. Before joining RES, Jan completed a B.Sc (Hons) Earth Science and an M.ScAgric Soil Science at Stellenbosch University.
His master’s thesis, “Water Treatment Residual: Potential Amendment to a Sandy Soil”, focused on utilising a water treatment sludge to amend a sandy soil. The thesis consisted of both soil physical and soil chemical analysis in addition to a greenhouse pot trail. Jan has a keen interest in geomorphology, ecosystem restoration and pedology.
Since joining the team, Jan has worked on a diamond drilling exploration project in southern Namibia and has gained experience in core and geotechnical logging in addition to drill rig management.
Qualifications
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B.Sc (Hons) Earth Science
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M.ScAgric Soil Science
Expertise
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Core logging
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Geotechnical logging
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Drill rig management
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Pedology
Thato Thamae
Geologist
About
Thato began working for RES in mid 2018 as a Geotechnician, surveying ground gravity, electromagnetics (time domain and frequency domain) and RTK/ArcGIS.
While working on various Northern Cape green and brown fields exploration projects, he has come to appreciate work in the outdoors, the value of teamwork, thorough planning and learnt some data processing techniques.
Thato has extensive experience in Ground Geophysics and brings much rigor and vigor in his role as Geologist.
Qualifications
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BSc. Hons. Geology
Expertise
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Exploration Geophysics
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Data collection and quality control
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Field staff development
Jason Borett
Project Geologist
About
Jason graduated from the University of Witwatersrand with a BSC Hons in Geology in 2020. Furthering his studies, Jason is completing an MSc in Economic Geology at the University of Witwatersrand with his thesis focusing on Ni-Cu potential of ultramafic rocks in the Molopo Farms Complex.
Jason joined RES in late 2021 and has managed an exploration, geometallurgical and geotechnical core logging project on iron ore deposits in the Northern Cape. He also has experience on a core logging project in Egypt, for gold exploration.
Qualifications
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B.Sc Hons Geology
Expertise
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Exploration logging
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Geometallurgical and geotechnical logging
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3D modelling in Leapfrog
Dylan McEwan
Project Geologist
About
Dylan completed his BSc (Hons) in Applied Geology at Stellenbosch University in 2018. Prior to joining RES in 2022, he gained valuable field experience in the exploration industry, working on several projects across Africa as a Junior Geologist.
Since joining RES, Dylan has continued to build his experience on a range of exploration programs across the continent. His work has included a regional stream sampling program and a follow-up geological mapping and diamond drilling campaign in Rwanda, a historic drillcore logging program in Egypt, and drilling programs in Zambia.
Through these projects, Dylan has worked with a variety of commodities, including lithium (Li), copper (Cu), and gold (Au), gaining experience across multiple aspects of project management and technical efficiencies.
Qualifications
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B.Sc Hons.
Expertise
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Geochemical surface sampling
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Drill rig management
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Data evaluation
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GIS spatial data analysis
Onele Chagi
Geologist
About
Onele joined RES in September 2023. He holds an MSc in Geology with a focus on spatial analysis of mineral deposit distribution to identify important ore-controlling structures in the Ngubevu area of the Tugela Terrane, KwaZulu-Natal. Before joining RES he worked as a data capturer, where he was responsible for capturing and managing geological data related to exploration.
Since joining RES, Onele has worked on a gold exploration stream sediment sampling project in NE Zambia and copper exploration projects in NW Zambia and Namibia.
Qualifications
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MSc Geology
Expertise
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Field Mapping
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AirCore drill rig management
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AirCore logging
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Data collection and management
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GIS
Maropeng Mailula
Geologist
About
Maropeng joined RES in August of 2023. Before joining RES, she completed her BSc (Hons) Geology at University of Johannesburg (UJ).
After joining RES, Maropeng completed her MSc Geology at UJ in 2024, with her thesis focusing on the Petrography, geochemistry and age of the intrusive units of the Leinster Deposit, Kalahari Mn Field, Northern Cape.
Since joining RES, Maropeng has worked on projects in Namibia, Angola and Rwanda, involved in diamond drilling and AC/RC drilling programs gaining experience in geological chip and core logging, and drill rig management.
Qualifications
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BSc Hons. Geology
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MSc Geology
Expertise
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Diamond and chip core logging
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Data management
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GIS and data management
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AC/RC and diamond drill rig management
Chris Rheeder
Geoscientist
About
Chris completed a Master of Science (MSc) in Earth Science in 2023. His research focused on the characterisation of regional strain patterns within the western portion of the Saldania Belt and their implications for the structural evolution of Pan-African rocks in the Western Cape, South Africa. This work provided a strong foundation in structural geology, tectonic analysis, and geological interpretation.
Prior to joining RES in June 2025, Chris gained exploration experience across multiple African countries, working on a range of commodities including gold, copper, lithium, and rare earth elements (REEs). His work encompassed field-based exploration, geological interpretation, drill program management, and target evaluation.
Since joining RES, Chris has been responsible for the management and supervision of diamond drilling programmes, detailed drill core logging, and the integration of geological and geophysical datasets into three-dimensional geological models for projects within both the Kalahari Copper Belt of Botswana and the Central African Copperbelt in Angola.
Chris has a strong technical focus and a particular interest in understanding the relationship between structural architecture and mineral systems. He is passionate about applying structural geology, geological modelling, and integrated data analysis to unravel the controls on mineralisation and improve exploration outcomes.
Qualifications
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BSc Earth Science (Applied Earth Science)
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BSc Hons. Earth Science (Applied Earth Science)
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MSc Earth Science (Structural Geology)
Expertise
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Structural Analysis and Interpretation
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DD Core Logging and Rig Management
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3D Leapfrog Modelling
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Geological Mapping
Matthew Kievits
Geologist
About
Matthew joined RES in February of 2023, shortly after completing his BSc Hons. Geology degree at UCT.
During Matthew's time at UCT he worked on two research theses involving the geochemistry of a lunar meteorite and also the geochemistry of an unusual diamond bearing kimberlite in Andriesfontein.
Since joining RES, Matthew has worked on soil sampling projects in Botswana and Angola as well as diamond drilling and air core drilling programs in Zambia gaining experience in geological chip and core logging and drill rig management.
Qualifications
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BSc Geology & Ocean and Atmosphere Science
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BSc Hons. Geology
Expertise
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AC drill rig management and chip logging
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Diamond core logging
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Data management
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Soil Sampling
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GIS software
Amber Jade Hindley
Junior Geologist
About
Amber joined RES in 2024 after completing an honors thesis focusing on the physical and geochemical characterization of detrital Monazite grains.
Whilst in the field with RES, Amber has gained experience working on a RadonX project in Namibia, exploring for lithium and uranium and has also conducted substantial geological exploration work in East Central Africa.
Qualifications
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BSc. Earth Science (Applied Geology)
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BSc. Hons. Earth Science (Applied Geology)
Expertise
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Soil Sampling
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Stream Sediment Sampling
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Heavy Mineral Microscopy
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Drill Rig Alignment and Core Logging
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Lithological Mapping and Ground-truthing of Geophysical datasets
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Field mapping
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Scanning electron microscopy
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Mounting and polishing of samples
Operations Team
Steve Vromans
Operations Manager
About
Steve started working in the exploration industry in 1997, first as a Field Assistant then as a Field Technician and finally an Operations Manager in 2000, responsible for implementing and managing various field exploration programs throughout various parts of Africa. This role required Steve to establish and manage various field projects and camps which included; defining in-country safety and logistical procedures and protocols, working with local authorities and labour, managing field staff and assets (vehicles, equipment, etc) as well as managing numerous stream and soil sampling; ground geophysical; trenching and drilling programs.
In addition to managing field operations, Steve also managed operations for the Ocean Explorer dive boat out of Lambert’s Bay, diving concessions at De Punt, assisting in moving the boat and operations to Port Nolloth to work at Concession 5. During that time, he conducted a few small bathymetry surveys and surveys with the FISH. Additionally, Steve helped set up a small diamond plant and recovery unit at Noup. Over this period Steve was also responsible for managing Mineral Services’ Property Portfolio in the UK and conducting bathymetry surveys in Canada at Ekati Diamond Mine. Back in the field Steve also did extensive exploration operations related work in Botswana over this period.
As Senior Operations Manager at RES, Steve is responsible for the overall management of the company’s Operational Services, both customer-facing and internally. In this capacity he oversees the deployment of operational staff and resources as well as manage RES’ vehicle fleet and other assets. Steve is also key in ensuring all new staff are appropriately trained in Project operations and logistics and he leads Field Operations when deployed on Projects.
Qualifications
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Matric – South African College School, Cape Town, South Africa
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Military Training, Lohatla Army Battle School, Northern Cape, SA
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Certificates: Ships Captain First Aid, Skippers Course, Basic Rigging, Business Diploma, Gym Instructor
Expertise
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Field Operations and Logistics
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Managing Field Staff and Assets
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Management of internal and external Safety Protocols
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Geophysical and Geological Project implementation
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Staff Training in Operational competencies
Ross Keen
Operations Manager
About
Ross has been with Remote Exploration Services for over 20 years, providing logistical and operational support for exploration projects throughout Africa.
He is responsible for operations, logistics, HSEC, training of staff, camp management and ground implementation of various geophysical surveys and geochemical soil sampling programmes all across Africa.
His responsibilities include the management of company equipment, vehicles and operational oversight across all of the company’s projects.
Qualifications
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Diploma in Game Ranging and Lodge Management
Expertise
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Remote Logistics and Operations
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Project Setup and Implementation
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Field Geophysics
Leo Sorensen
Operations Manager
About
Leo pursued studies in Construction Science and qualified with a B.Sc. Honours in Construction Management. His first two years of work was as a junior site manager and Environmental Control Officer for a Construction Company in Namibia. The project involved building a large residential development near Windhoek. After Namibia an opportunity presented itself to be a guide for the Quest-Africa Gap year program, which he did for 8 years as the senior guide and operations manager. Leo joined RES as Operations manager in January 2023 and has since been involved in several projects around Africa as Project Operations Manager responsible for the operational, HSEC, logistics, camp management and ground implementation of geophysical surveys (Magnetics, Gravity, Radiometrics) and geochemical soil sampling programmes.
Qualifications
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BSc Honours Construction Management
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FGASA Guide,
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Adventure Site guide,
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Personal Trainer,
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Sport conditioning coach
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BASI Pilates Instructor. (MTTC and CTTC)
Expertise
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Project management
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Building science
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Logistics
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Camp design and operations
Dylan Don
Operations Manager
About
Dylan joined RES with a background in applied geosciences and extensive hands-on experience in water well drilling and environmental field operations across Southern Africa and Europe. Before joining RES, he worked with a drilling company where he was involved in groundwater monitoring, remediation projects, and various drilling operations.
Originally from Austria and now based in Cape Town, Dylan has worked on geophysical and geological field projects throughout Europe and Africa. He is passionate about practical, on-site problem solving and enjoys being part of projects that combine technical precision with hands-on work.
Outside of work, Dylan spends most of his time outdoors, off-roading, camping, and exploring remote areas.
Qualifications
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Applied Geosciences, Montanuniversität Leoben (Austria)
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Drill Rig Operator & Safety Officer Certification
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Heavy Vehicle and Equipment Operation Licences
Expertise
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Water well drilling and groundwater monitoring
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Field operations and logistics coordination
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Environmental and geotechnical site work
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Multilingual communication (English & German)
Juan-Pierre
van der Merwe
Operations Manager
About
Juan-Pierre joined Remote Exploration Services as an Operations Manager, providing logistical and operational support for exploration projects throughout Africa. With a background in chemical process operations and engineering draughting, he brings strong technical understanding and practical field leadership to remote project environments.
He is responsible for the operational, logistics, fleet, and camp management functions across a range of exploration programs. His role includes coordinating accommodation and catering, overseeing camp setup and construction activities, managing company equipment and vehicles, and ensuring efficient mobilisation and field readiness for all projects. Juan Pierre also provides on-ground operational support for technical field teams and maintains oversight of day-to-day project activities.
Qualifications
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Chemical Process Operations
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Engineering Draughting
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Safety & Emergency Response Training
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Logistics & Field Operations Training
Expertise
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Remote Logistics & Operations
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Camp Setup & Management
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Field Operations Support
HSEC Team
Dr. Dale Smith
Chief Medical Officer and Health & Safety Manager
About
Dale joined RES in 2024 as Chief Medical Officer / Health and Safety Manager after an 11 year career in the South African National Defence Force. He completed his Basic Military Training in 2013 and received a Military Bursary to study Medicine through the University of Pretoria.
After completing his degree he served as a Medical Officer in the Military under various departments: Internal Medicine, Emergency Medicine, Family Medicine and the Intensive Care Unit.
Dale's key area of responsibility has been the implementation of a fit-for-purpose remote medical and HSE solution for exploration projects across Africa.
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MBCHB (UP)
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Dip PEC (CMSA)
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ACLS, ATLS, BLS
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Wildnerness Life Support for Medical Professionals (Wildmedix)
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UCT Occupational Health and Safety
Joshua Kilani
ESG & SHEQ Manager
About
Joshua holds an MSc. Eng. in Mineral Economics from the University of the Witwatersrand. He joined RES in 2011 as a geologist and progressed to the role of Senior Geologist, gaining extensive experience across a diverse range of exploration and mining projects throughout Africa.
He subsequently served as General Manager, where he contributed to the coordination of the company’s operations and business units. He later assumed the role of Managing Director of Xpotential Mining Services (XMS), a subsidiary of RES, providing strategic and technical leadership across ESG and carbon market projects, while developing expertise in ISO 14001 environmental and ISO 45001 occupational health and safety management systems, GHG inventories and lender-aligned ESG frameworks.
He currently fulfils a dual role within the Group, also serving as ESG & SHEQ Manager for RES, where he focuses on the practical implementation of international best practice across field operations, while supporting client engagement, ESG alignment, and the continual improvement of SHEQ performance.
Qualifications
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B.Sc. Hons, Pr.Sci.Nat
Expertise
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Geoscientific Services
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Mineral Exploration
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3D Modelling
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Exploration Project Generation
Admin & Accounts
David Solomon
Head of Finance
About
David is a South African Chartered Accountant and has vast experience in the energy industry through his audit practices working abroad and assisting smaller companies with their growth and expansion through implementation of better business practices and strategic guidance, as well as assisting companies in going through their public listings on the NYSE, LSE and JSE.
His industry experience includes a range of financial, management, consulting, and project focused roles in exploration, project finance, development, operations, and M&A. With a strong background in auditing and financial controls, David combines technical accounting expertise with a pragmatic approach to business growth, working closely with geologists and operational teams to translate technical projects into sound commercial outcomes.
QUALIFICATIONS
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Bachelor of Accounting Science BCompt UNISA
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Honours Bachelor of Accounting Science BCompt Hons UNISA
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SAICA PPE 1
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IRBA PPE QE 2
EXPERTISE
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Multi-jurisdictional Tax Compliance (Africa)
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Corporate Finance
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Financial Modelling & Budgeting
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Group Accounting & Consolidation
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Mineral Exploration Economics
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Risk Management & Internal Controls
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Intercompany Structures & Transfer Pricing
Robyn Hollick
Senior Administrator
About
As Office Administrator of Remote Exploration Services, Robyn is responsible for the smooth running of the office and provides logistical and operation support to the staff in the field.
Prior to joining RES in 2016, Robyn worked for the Mineral Services Group from 2004.
QUALIFICATIONS
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Diploma in Public Relations
EXPERTISE
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Administration
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Procurement
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Human Resources
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Marketing
Derryne Keen
Business Administration & Compliance Officer
About
After completing a BA degree in Psychology and Criminology in 2007, Derryne joined the office team in 2011. She previously worked as an ad hoc field assistant on projects in Namibia and Botswana for RES. Derryne's roles across RES and all RES international entities include the complete Business Administration, Human Resources, Company Secretarial and Compliance, Payroll Management, Banking Management, Accounts and Operations.
Derryne has many responsibilities, while also being the link between the Project Geologists in the field and the office administration and support for all RES projects.
QUALIFICATIONS
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BA Psychology
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Short course certificate in Business Leadership and Management (USB)
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Short Course Certificate in Compliance Essentials (UCT)
EXPERTISE
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Business Administration
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Company Secretarial and Compliance
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Human Resources
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Payroll Management for Local and Foreign Entities
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Banking Management for Local and Foreign Entities
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Operational Support
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Safety and Logistics
Danielle Oliver
Senior Bookkeeper
About
Danielle joined Remote Exploration Services in 2007 as a Bookkeeper, where she was responsible for maintaining accurate and up-to-date financial records. Over time, her role has expanded to reflect her growing expertise and commitment to the organisation.
She now oversees the day-to-day finance operations across all entities, ensuring the accuracy and integrity of financial reporting while contributing to the overall efficiency and performance of the department. Danielle plays an integral role in managing financial processes and strengthening internal controls.
In addition, she provides support and guidance to the finance team when needed. Her responsibilities also include coordinating annual audits, overseeing income tax audits, managing SARS submissions, preparing tax calculations, overseeing VAT audits, and liaising with external accounting firms on financial reporting, independent reviews, and compliance matters.
QUALIFICATIONS
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Further Education and Training Certificate: Bookkeeping NQF L4
EXPERTISE
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Accounting
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Bookkeeping
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Finance Operations Management
Musooda Parker
Junior Accountant
About
Musooda joined Remote Exploration Services in 2025 as a Junior Accountant and manage the bookkeeping for RES Healthcare (South Africa), RES Rwanda, and RES Angola, ensuring accurate financial records and supporting multi-country financial operations.
QUALIFICATIONS
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Diploma- Financial Accounting (ICB)
EXPERTISE
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Accounting
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Bookkeeping
Yusrah Harris
Junior Bookkeeper
About
Yusrah joined Remote Exploration Services in 2021 as a Junior Bookkeeper, responsible for maintaining and updating the field expenses, and capturing invoices.
She previously worked at an accounting firm for 4 years as an accounting and debtors clerk, dealing with invoicing clients, doing clients VAT, PAYE, Cashbooks, Journals, preparing financials and helping out with taxes. She is now settling into the role of junior bookkeeper at RES.
QUALIFICATIONS
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Further Education and Training Certificate:
Financial Management N6
Carenshia Adams
Junior Bookkeeper
About
I am a meticulous and results-driven bookkeeper with over 10 years of experience in financial administration.
I began my career at First National Bank, where I served for a decade as a Balancing, Query, Incident, and Payroll Official. In 2023, I joined RES, where I am responsible for the maintenance and accurate updating of financial records across 7 entities.
My key responsibilities include daily banking operations, cashbook processing, invoice management, and comprehensive account reconciliations.
I am committed to maintaining high standards of accuracy, compliance, and financial integrity to support sound business decision-making.
QUALIFICATIONS
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Diploma in Business Management
Amanda Booysen
Office Assistant
About
Amanda has been part of the RES team since 2016.
As housekeeper of the office, Amanda is responsible for keeping the office in ship shape condition and her course in the hospitality industry ensures that she feeds the health and wellbeing of the office based staff.
