Technical team

Keith Wilson
BSc Engineering (Mechanical) MSAIMM
CertEng (Mine & Works)
Associate, Consulting Engineer
More than 30 years’ technical, managerial and consulting experience within the mining industry.
Profile
Edward Legg
Pr. Eng
BSc (Mining Engineering), MBA, FSAIMM
Senior Technical Advisor
More than 41 years of operational, technical and executive experience across the southern African mining industry. Since 2014, he has provided specialist mining and business consulting services including contributions to detailed due diligence studies and he has a broad knowledge of the base metals, coal and precious metals mining business.
Profile![Mark Stewardson [photo]](/images/tmc/p-mark-stewardson.jpg)
Mark Stewardson
Pr Sci Nat
BSc (Hons Geology), MSEG
Senior Technical Advisor
More than 45 years’ experience in coal geology, exploration and mining, with extensive work experience in most major coalfields of southern Africa, Indonesia and Australia.
Profile![Lesang Sennanye[photo]](/images/tmc/p-lesang-sennanye1.jpg)
Lesang Sennanye
BSc (Mining Engineering), BCom, MBA, Mine Manager's Certificate, MSAIMM
Senior Mining Advisor
Experienced mining professional with 20+ years across platinum, copper, gold, and iron ore operations in South Africa. I help clients align technical decisions with financial and strategic outcomes, drawing on deep expertise in mineral resource management, financial modelling, and investment analysis. My career spans operational leadership, equity research, and advisory roles across Africa’s leading mining institutions. Passionate about delivering practical, results-focused advice that bridges engineering, finance, and strategy.
Profile![Stuart Thompson[photo]](/images/tmc/p-stuart-thompson1.jpg)
Stuart Thompson
BSc (Hons) (Applied Environmental Science)
Senior ESG Technical Advisor
With more than 18 years' experience across consulting and corporate roles, has established him as a leader in applying practical ESG strategies to the complex challenges of the mining industry. His work consistently demonstrates his ability to combine deep technical knowledge with a strategic vision for sustainable business practices, helping clients build more resilient, compliant, and environmentally responsible operations.
Profile![Lynne Soulsby [photo]](/images/tmc/p-lynne-soulsby.jpg)
Lynne Soulsby
SAMESG Committee Member, MGSSA
Chairman of the GSSA ESG Division
BA (Hons) (Sociology)
Senior Technical Advisor
More than 18 years’ service with TMC and specialising in legal and ESG issues in the mining sector.
![Bea de Munnik [photo]](/images/tmc/p-bea-de-munnik.jpg)