Mr Drielsma is an accomplished communicator with proven success in leading interdisciplinary teams to deliver sustainability, with field experience in Mining, Smelting & Refining, Bioremediation, Automotive and Telecoms. He has served as a lead lobbyist for sustainability in the mining industry, building effective coalitions to improve government and industry policies globally; having previously designed and implemented on-site improvements and monitoring, attained environmental permits and secured third-party assurance for operations at Toyota Motor Europe and Rio Tinto Limited in Australia.