Dr. Vincent Maphai (68) Chairman BA, BA (Hons), M Phil, D Phil, Catholic University of Leuven, Advanced Management Programme, Harvard University Vincent Maphai is the Chairman of the Sibanye-Stillwater Board. Vincent Maphai was appointed a director of Sibanye-Stillwater on 1 June 2019, and appointed as non-executive Chairman of Sibanye-Stillwater, effective on 30 September 2019. He is a non-executive director of Discovery Limited. Previously, Dr. Maphai was the Director of Corporate Affairs and Transformation at SAB. In addition, he served as the southern African Chairperson of BHP Billiton. Dr. Maphai has accumulated 20 years’ experience in the academic profession, and 15 years as a senior executive in the private sector. He has served on the boards of various companies as non-executive chairperson, including the SABC 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.