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Valterra Platinum’s Executive Committee is responsible for formulating strategy, setting targets/budgets and managing the Group’s portfolio.

Yvonne Mfolo

Yvonne Mfolo

Executive head corporate affairs and sustainability
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Yvonne Mfolo
Yvonne Mfolo
Executive head corporate affairs and sustainability
  • Appointed: October 2024
  • Age: 57
  • Qualifications: BA Communication

Yvonne has been with the Anglo American group since 2006 holding executive corporate affairs roles at Anglo American’s coal business in South Africa and Kumba Iron Ore. Prior to joining the group, she held several positions at the erstwhile Department of Minerals and Energy for close to a decade – her last being chief director of communications, while also serving as the ministerial spokesperson.

Yvonne was transferred to Anglo American as executive external affairs for the Southern Africa region in April 2024, where she led government relations, stakeholder engagement, social impact, regulatory affairs and transformation. In addition to broad stakeholder engagement, Yvonne guided and advised South African based businesses and leadership teams on optimising Anglo American’s contribution to sustainable socio-economic development and supporting the country’s national priorities.

Yvonne rejoined the PGMs business as the executive head of corporate affairs and sustainability, taking up the critical role of shaping and delivering the company’s corporate relations and sustainability strategy. She brings with her a wealth of reputation management, community development, regulatory, government and broader stakeholder relations experience.

Appointed in October 2024

Willie Theron

Willie Theron

Executive head mining operations
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Willie Theron
Willie Theron
Executive head mining operations
  • Appointed: February 2025
  • Age: 46
  • Qualifications: B-Tech Mining Engineering (UJ), BSc (Hons): applied science, mining environment (Pretoria University); MBA -Cum laude (UCT): executive management studies.
  • Professional affiliations: Past president of the Association of Mine Managers South Africa, ECSA: Prof. Cert. Engineer, FSAIMM

Willie began his career at Anglo American in 1997, where he progressed through various roles, becoming production manager in 2007. He then served as mineral resource manager at the corporate office, before moving to Northam Platinum in 2010 to take up the position as mine manager for Booysendal, which at that stage was in project phase. He led the Booysendal project and operational teams from feasibility to project execution and steady state, delivering an operation reaching multiple phases of organic growth on time and within budget. Willie went on to become the general manager of Northam Platinum Booysendal in 2013.

In 2019, Willie was promoted to operations executive at Northam Platinum, responsible for Eastern Limb operations, as well as capital projects, technical services, security and processing (including safety, health and environment).

Willie returned to Anglo American Platinum as executive head of mining operations where he is responsible for the company’s production across the Mogalakwena, Amandelbult, Mototolo and Unki operations. He is also a board member and the chairman of Mine Rescue Services South Africa.

Appointed in February 2025