Dr. Vincent Maphai is the Chairman of the Sibanye-Stillwater Board. Dr. Maphai was appointed a director of Sibanye-Stillwater on 1 June 2019, and appointed as non‑executive Chairman of Sibanye-Stillwater, effective on 24 February 2020. He is a non‑executive director of Discovery Limited. Previously, he was the Director of Corporate Affairs and Transformation at The South African Breweries Limited. In addition, he served as the southern African Chairperson of BHP Billiton (South African region). Dr. Maphai has accumulated 20 years’ experience in the academic profession, and 16 years as a senior executive in the private sector. He has served on the boards of various companies as non‑executive chairperson, including the South African Broadcasting Corporation and the Presidential Review Commission into the restructuring of the public sector. Dr. Maphai has also held a two‑year academic position at Williams College in Massachusetts.