Head of Mining
Grant Webber has worked in the mining industry for three decades, at a range of companies that including JCI, Harmony Gold, Lonmin Platinum, Sibanye Stillwater and now Gold Fields. He joined the South Deep Team in 2020 after spending four years working at the neighbouring Kloof mines.
As the Head of Mining, Grant is responsible for developing and successfully executing the mining extraction strategy. This strategy focuses on developing the competencies and capabilities of the mining teams and enabling people to perform to their full potential.
Head of Projects
Andre Marais is Head of Projects at South Deep, responsible for providing the mining teams with the support they need, including placing of backfill, the shotcrete teams carrying work out in the de-stress areas, the secondary support teams, and the teams carrying out operations in the current mine area. He also oversees the execution of a number of capital infrastructure projects and the drawing office.
Andre Marais has a qualification in electrical engineering. He joined the South Deep team in 2008 to complete the shaft sinking and commence with the major construction work that was required for the production build-up and eventual steady-state production.
Head of Engineering
Over the past 26 years, Louis Turvey’s career has spanned several commodities including coal, iron ore and heavy minerals, and he has worked for a number of mining houses including Kumba Resources, Exxaro Resources, Total Coal, Xstrata Coal and Ticor South Africa. He has acquired broad leadership skills and has diverse technical experience in both opencast and underground mining processes, including in various beneficiation processes in coal mining as well as heavy mineral separation plants, slag and metal treatment plants and smelters. Louis was appointed Head of Engineering at South Deep in 2021.
Louis holds a Masters’ Degree in Business Administration (MBA), a Degree in Mechanical Engineering (B.Eng. Mech) and Government Certificates of Competency for both Mines and Factories and is registered as Professional Engineer with the Engineering Council of South Africa. He is married with three children.
Head of Metallurgy
Stephen Joseph is a metallurgist by training, who began his career with JCI where he worked at its platinum and gold mining operations. He joined South Deep as a metallurgist in 2001. In his capacity as Head of Metallurgy he manages the gold plant, backfill plant and all surface infrastructure such as the pollution control dams and tailings storage facilities.
The Metallurgical Department is key to ensuring that mining can occur safely with maximum gold recovery and ensuring a sustainable environment to allow the mine to continue operating.
Jacques is a seasoned professional with 38 years’ experience in the mining industry. He has a track record of performance in senior management positions and is widely regarded as an expert in his field. During his career, Jacques has worked for a number of mining houses including Impala Platinum, Vedanta Resources, Lonmin and AngloGold Ashanti. He also served as Deputy Chief Inspector of Mines for the Department Minerals & Energy.
Jacques holds a Masters’ Degree in Engineering, a Graduate Diploma in Engineering (Rock Mechanics) from the University of the Witwatersrand and a Mine Managers Certificate of Competency. He is married with three children. Jacques is an avid cyclist and marathon runner, and enjoys scuba diving.
Manager: Health and Environmental Engineering
Francois van der Walt began his career with AngloGold Ashanti in November 1993. He worked in various roles in safety, health and environmental engineering as well as senior management at a number of the AngloGold Ashanti’s largest South African mines. Francois joined South Deep in January 2017, and was appointed as Manager Safety, Health and Environmental Engineering in 2019.
Head of Mineral Resources
To date, Siyanda has built his career at De Beers group, occupying numerous leadership roles within the group locally, as well as in Canada, Angola and Botswana. His expertise spans the mining value chain and he has led organisational change through people, systems and processes. In addition to technical expertise, he also has experience in stakeholder engagement with organised labour, communities and contractors.
Siyanda holds several qualifications, including a Masters’ Degree in Mining Engineering, Honours Degrees in both Industrial Technology and Geology, and a Degree in Biology, Earth and Environmental Science. Other certifications he has earned cover the disciplines of project management and quality management.
Head of Technical and Production Intelligence Systems
Johan Sliep is a geologist by profession, who has worked on a number of exploration projects. In the process he has developed a keen interest in the mining value chain and firmly believes in the promise that modernisation holds for mine safety and productivity.
His focus is on the technologies enabling the efficiencies of the value chain processes and ensuring South Deep’s infrastructure is ready for the implementation of these technologies, that processes and technologies align and that people are prepared for the changes the digital environment will invariably introduce at South Deep.
Head of Human Resources
Steve Martin has extensive experience in leadership roles across multiple aspects of the human resources function, including organisation design and change management, talent and reward management, HR model design, and leadership development, and the governance functions related to each. He has spent most of his career within the minerals sector.
Having always had an interest in people development, a career in HR has afforded Steve the opportunity to truly make a difference. He recognises that South Deep has great potential to enhance the employee experience and instil an even more pervasive sense of pride amongst its people for being part of South Deep, and ultimately achieving the organisation’s business transformation aspirations.
Head of Legal and Compliance
Elane Botha began her career as a prosecutor and was later appointed as a state advocate (still as a prosecutor) in Johannesburg. She completed her articles at Adams and Adams law firm and was admitted as an attorney in 2004.
A year later she commenced with pupillage at the Johannesburg Bar, where she was subsequently readmitted as an advocate. Elane was at the Bar for eight years, before joining a junior mining company in 2013. She took on her role at South Deep in May 2019.
Elane’s work includes providing legal oversight and leading and directing all legal matters for the mine. She is responsible for ensuring mine-wide compliance with relevant laws, regulations and business rules, policies and procedures. It is also within her scope to identify and resolve risk areas and defend and protect the legal interests of the organisation.
Senior Manager: Strategy and Business Development
Zandile Cindi is a registered professional mining engineer, certified to manage metalliferous mines. Her career started off as a night shift cleaner (miner), progressed to mid-tier production, planning and corporate mining roles. She later advanced into technical and management consulting and gained a distinguished proficiency in strategy and optimization.
Her professional and people skills were honed over a 14-year period, allowing her to gain exemplary 'soft' people skills and solid core business skills. As a result, she have grown into a valuable team player and natural leader. Zandile holds a BSc (Hons) Mining Engineering degree and a Post-Graduate Diploma in Advanced Business Project Management. Her commodity exposure includes iron, platinum, mineral sands, copper, cobalt, gold and coal.
Zandile also serves as an assessor and moderator for ECSA and she is affiliated with AMMSA and SAIMM.
Manager: Commercial Services
Stephan Fouche began his career with Gold Fields in 1996, as a financial clerk at the company’s St Helena mine in the Free State Province of South Africa. He gained further management accounting experience at the Group’s Beatrix and Driefontein mines eventually transferring to the Gold Fields Shared Services division.
Subsequently Stephan began working on ICT projects and contributed to the successful implementation of the SAP enterprise resource planning system. In 2010, he transferred to South Deep to take up a role as Unit Manager Management Accounting, and in 2019 he was promoted to Head of the Commercial Services department.
In this capacity, Stephan ensures that the financial strategy is achieved, that financial reporting is accurate and up-to-date and that capital and operational expenditure is value-adding. He is also responsible for financial governance and compliance and ensuring the correct and sustainable deployment of ICT systems, payroll activities and procurement and supply chain management.
Head of Sustainable Development and Environment
Puseletso Matete is an Urban and Regional Planner with a postgraduate qualification in Environmental and Geography Studies. Throughout her career, she has worked largely in the space of environmental and sustainable development.
Puseletso worked in the infrastructure development value chain prior to entering the pure mining environment of Gold Fields at Group level in 2015. She joined South Deep Mine in 2018.
Puseletso leads her dedicated team to implement the Group’s sustainable development and environmental policies and strategies at mine level, monitoring and reporting on performance. It is her responsibility to ensure Social and Labour Plan and relevant Mining Charter commitments are achieved, externally assured, compliant and reported. Puseletso takes care of the mine’s stakeholder management and the socio-economic performance in its host communities and labour sending areas, while contributing to the transformation agenda of the mine.
VP People and Organisational Effectiveness
Gerrit Lotz has over 20 years of experience leading human capital and business improvement functions within large companies. Gerrit holds a master’s degree in Performance, Leadership and Change and has built solid expertise in strategic planning, development and execution of integrated HR and people strategies, policies, procedures, programmes and practices.
Gerrit holds a master’s degree in Performance, Leadership and Change and has built solid expertise in strategic planning, development and execution of integrated HR and people strategies, policies, procedures, programmes and practices. Before joining Gold Fields in 2017, Gerrit had spent 19 years with De Beers Consolidated Mines, serving as Senior Human Resources Manager, then Head of Human Resources. Through his career he has grown his knowledge of business improvement methodologies, which he applies to streamline HR, organisational and people-related functions.
Vice President and Head of Operations
While still in high school, Benford Mokoatle was inspired by a geologist at one of the Vaal Reef mines to pursue a career in geology. He augmented his qualification as a geologist, gaining knowledge in economics, developing business acumen as well as ethical, social and political awareness to ensure that he became a well-rounded individual.
After some 21 years in the mining industry, Benford joined Gold Fields and South Deep in October 2017. Here he sees his role as Vice President and Head of operations, not as a job but as a calling. It is a calling about driving a sustainable change, making a difference to people and giving hope where many have lost hope. He plays a leading role in turning around a mine that was accustomed to loss making, by driving change and influencing the culture to deliver on South Deep’s strategy.
Executive Vice President Gold Fields South Africa
Martin Preece began his career at De Beers Consolidated Mines. Over 32 years he progressed through the ranks at De Beers in South Africa and abroad and by 2016, his leadership roles had included mining manager, assistant general manager, business development manager, general manager, chief operating officer.
In 2017 Martin took up the position of Gold Fields Executive Vice President: South Africa, with responsibility for the South Deep mine He also serves on the board of the Minerals Council South Africa. Martin holds a mining engineering qualification and business and executive development credentials from leading institutions.
Martin has a reputation for distilling key issues from complex situations, and leading multi-disciplinary teams to achieve performance and operational excellence. At South Deep, Martin embodies the principle of authentic and values-based leadership. With focussed energy, he drives organisational and cultural transformation to enable sustainable improvement.