About us

ABOUT RVN GROUP

At RVN Group (Pty) Ltd, we take immense pride in offering industry-leading technical expertise backed by decades of field experience, academic rigor, and a proven commitment to sustainable development. Our multidisciplinary team of distinguished professionals is composed of Pr.Sci.Nat.- and Pr.Eng.-registered consultants who not only possess deep domain knowledge, but also a nuanced understanding of African mineral terrains and the regulatory environments that govern them.

We specialize in delivering precise, data-driven solutions to complex engineering and geological challenges. Whether navigating feasibility studies, designing geological models, or conducting risk-based geotechnical assessments, our team consistently applies globally benchmarked methodologies while remaining agile to local demands and context.

125

Major Clients

350

Projects

630

Happy Clients

We invite you to join us on this journey as we continue to drive positive change in the African mining industry. With RVN Group as your partner, you can be assured of unparalleled expertise, professionalism, and a shared vision for a sustainable and prosperous future.

Mission

To deliver market-leading technical solutions with precision, integrity, and a commitment to sustainable progress. We strive to empower African industries by blending expert knowledge with local insight, fostering safer, smarter, and more environmentally conscious operations that benefit communities and clients alike.

Vision

To be South Africa’s most trusted multidisciplinary consulting partner, recognized for innovation, reliability, and excellence across engineering, geological, and infrastructure domains. We envision a future where our expertise accelerates transformative projects, sets new benchmarks in professional standards, and leaves a lasting, positive impact on every sector we serve.

Values

  • Integrity & Transparency
  • Technical Excellence
  • Sustainability
  • Client-Centric Approach
  • Safety & Compliance
  • Collaborative Spirit

Meet Our Team.

Our expert team has garnered extensive experience operating within the African mining environment, positioning us as a trusted partner for those seeking to tap into the continent’s rich mineral resources. We are dedicated to leveraging our technical capabilities to play a pivotal role in the sustainable development and growth of the minerals industry.

Mpfariseni Mudau

Managing Director and Resource Geology Manager

 BSc (Hons Geology), MSc Eng (Mining, Mineral Resource Evaluation) Pr. Sci. Nat. Member of the Geological Society of South Africa and the Geostatistical Association of Southern Africa

Mpfari has 19 years of experience in geological and geostatistical modeling, exploration, and mining geology. He has experience in copper, gold, platinum, chrome, iron ore, phosphate, zinc, coal, limestone, and heavy mineral sands. He has advanced knowledge in Mineral Resource Estimation and has compiled numerous Mineral Resource reports in accordance with the requirements of various regulatory requirements or codes (SAMREC, Regulation S-K 1300, JORC, and NI43-101), and he has participated in several company press releases. He has conducted various Mineral Resource reviews and audits for large mining firms. He has experience in database management and quality control implementation and in addition to that, he gained experience in the operational mines, exploration projects, and consulting environment. He has conducted technical field investigations and resource modeling for projects in Zimbabwe, Namibia, Ivory Coast, Sudan, the Democratic Republic of Congo (DRC) and the Republic of South Africa. He has also been involved in resource modelling for projects in Angola, Zambia, Nigeria and Mali. He has acted as a Competent Person (CP) or a Qualified Person (QP) on numerous projects.

Facebook Instagram Twitter Google-plus

David Whittaker

Principal Resource Geologist

 BSc(Hons, Geology), GDE (Mining Engineering) Pr. Sci. Nat

David has over 40 years’ experience within the minerals industry. His career has encompassed management, production, mineral resource estimation and exploration. David has undertaken Mineral Resource estimations for gold, uranium, lead, zinc and vanadium. He has held the position of Competent Person at mine and corporate level. His experience at MRM level has provided him with a holistic understanding of all the mineral resource disciplines.

Facebook Instagram Twitter Google-plus

Steven Michael Rupprecht

Principal Mining Engineer

Principal Mining Engineer PhD (Mechanical Engineering), BSc. (Mining Engineering), FSAIMM

Steve has more than 40 years providing mining engineering services as a Consulting Mining Engineer. Work includes Safety Audits, Due Diligence, Completion Studies, Independent Technical Reviews, Competent Person Reports (CPR’s), Feasibility to Scoping Studies, and Mineral Asset Valuations. Project inputs include study manager, mine method selection, mine design and scheduling, equipment selection, U/G material handling, capital and operating cost estimation, mineral reserve estimation, financial modelling and mineral asset valuations. Have conducted several feasibility studies and technical audits for the mining of tailings material since 2005.

Work includes a mixture of both surface and underground mining. Commodities include Gold, Copper, Cobalt, Chrome, PGMs, Iron Ore, Fluorspar, Lead, Zinc, Bauxite, Nickel, Tin, Tungsten, Coltans, Mineral Sands, Phosphate, Uranium, Diamonds, and Coal. Areas of expertise include underground mine logistics, technical/economic reviews, safety audits, Mineral Reserve Estimations and Audits, mine design planning & scheduling, access development, evaluation of new technologies, and mine planning and mine design training surface and underground.
Immediate Past Chairperson of the SAMCODES Standard Committee. Member of the SAMREC/SAMVAL/SAMESG working groups, as well as JSE Readers Panel