Martin is currently the Interim Chief Executive Officer of the Gold Fields Group, a position he has held since 1 January 2023. He joined Gold Fields as Executive Vice President: South Africa in May 2017, leading the successful ramp up of the South Deep mine since then. Prior to joining Gold Fields, he was Chief Operating Officer at De Beers South Africa.
Martin has 37 years of mining experience, starting his career as a learner miner and holding a number of operational and technical roles before taking up mine manager positions at various operations across De Beers. After moving to Group level at De Beers, he held positions as mine strategist and business development manager before being appointed Chief Operating Officer in 2011.