Sifiso Siwela
SSC Chairperson

Sifiso Siwela is Principal Consultant and Manager – Africa at CSA Global (an ERM Group company) and specialises in exploration strategy design, mineral project valuations, Mineral Resource estimation and reviews as well as due diligence reviews. He has some 20 years’ consulting experience in various commodities including base metals, precious metals, precious stones and industrial minerals.
Prior to joining CSA Global, Sifiso was Senior Manager at Deloitte Technical
Mining Advisory and was responsible for managing global multi-disciplinary
projects across mine value chain strategic exploration planning, target
generation, the life of mine audits and strategy design. 

He is a Past President of the Geological Society of South Africa and a professional registered geologist with SACNASP.

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Mr Vaughn Duke
SAMVAL Committee Chairperson

Vaughn Duke Pr.Eng, PMP, BSc Mining Engineering (Hons), MBA, has worked in the minerals industry since 1986.
He worked mostly on gold mines in Zimbabwe and South Africa prior to establishing Sound Mining in 2004 and where he and his team have since provided a range of consulting services covering numerous commodities.

Vaughn has been associated with the Southern African Institution of Mining and Metallurgy since his university days. He is now a Fellow of the SAIMM and has contributed both on Council and to numerous committees and working groups over the years, which have included SAMREC and SAMVAL.
He is also a registered member of the Engineering Council of South Africa (ECSA), The Project Management Institute (PMI), the Association of Mine Managers of South Africa (AMMSA), and the Institute of Directors (IOD).

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Mr Andy Clay
SAMOG Committee Chairperson

Mr Andy Clay PrSciNat, MSc (Econ Geol), MSc (GDE),
Andy completed his undergraduate geology at Cardiff and his subsequent studies were at Wits and has almost 50 years of experience. He originally pioneered computerised orebody modelling and ore reserve estimation for Rand Mines. As co-founder of Venmyn in 1988, he has been involved in numerous global and local projects in minerals and oil and gas. Venmyn straddled technical expertise with valuations  and he was an original member of SAMREC, SAMVAL, IMVAL, SAMOG and the WRMS committees. He is also an active writer of publications and many professional and statutory bodies published on numerous securities exchanges. He has worked closely with accounting and audit firms since 2000. He is passionate about maintaining practical, principles based reporting standards. Comparing the methods used in oil and gas with minerals provides him with an unusual insight into the complexities of public reporting of Mineral Resources and Ore Reserves and estimating their values.

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Ms Teresa Steele-Schober
SAMESG Committee Chairperson

Teresa has worked extensively in the mining industry as an environmental and sustainability professional. She started her working life as a geologist in the gold mining sector whereafter she moved into the environmental field. She has worked at various mine sites and corporate functions in a range of commodities including gold, base metals, heavy mineral sands and coal. Her experience includes on-site management of environmental and sustainability issues including design, implementation and management of ISO14001 compliant environmental management systems. Teresa has worked in corporate advisory and reporting roles. She has significant experience managing sustainability issues on large capital projects, including the completion of project feasibility studies; risk assessment and management; and permitting processes. Teresa worked for a large multinational mining company before opening her boutique environmental and sustainability consultancy.

As a committee member, Teresa was actively involved in the drafting of the current SAMESG Guideline.

Mr Ken Lomberg
CRIRSCO Representative

Ken has some 30 years’ experience in the minerals industry (especially platinum and gold). He has been involved in exploration and mine geology and has had the privilege of assisting in bringing a mine to full production. His expertise is especially in project management, mineral reserve and resource estimation.

Ken has undertaken mineral resource and reserve estimations and reviews for platinum, gold, copper, uranium and fluorite projects. He has assisted with the reviews or estimation of diamond and coal projects and assisted or compiled Competent Persons Reports/NI 43-101 for various projects that have been listed on the TSX, JSE and AIM stock exchanges.

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Mr Roger Dixon
CRIRSCO Representative

Roger Dixon Pr.Eng, BSc (Hons) Mining, Hon Life FSAIMM is a mining engineer with over 44 years’ experience in the industry. He spent his early career managing deep level gold mines in the Witwatersrand Basin. He was a founder member and chairperson of the South African Mineral Resource Committee (SAMREC) which developed and published the original SAMREC Code in 2000 and the revised version in 2007.

Roger is currently one of two South African representatives on the Committee for Mineral Reserves International Reporting Standards (CRIRSCO) an organization which he chaired in 2009-2010. He is currently a corporate consultant with SRK Consulting SA.

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Ms Sam Moolla
SSC Administrator

Sam Moolla is the Manager of the SAIMM and oversees the smooth running and operations of the organisation. Her forte is business administration and she has been involved in the SAIMM since the late 1980s. She left to pursue other interests in 2005 and returned in 2013.
 
Sam is the Administrator of the SSC and looks after the day to day running of activities and initiatives, and liaises with all members to ensure that everyone is aligned with the goals and objectives of the SSC.

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