Mr Graham served as Managing Director of ExxonMobil PNG Limited from 2009 to 2015 and led the development of PNG LNG Project and has over forty years international experience in senior technical and business leadership positions in the minerals, oil and gas sectors. He is currently Chairman of PNG Sustainable Development Program Limited, and was Chairman and Independent Director of Kumul Minerals Holdings Limited from 2016 to 2020. From 2015 to 2020 he was Managing Director and Chief Executive Officer of OK Tedi Mining Limited. Mr Graham has served as Vice President of PNG Chamber of Mines and Petroleum from 2009 to 2011 and is Chairman of the Port Moresby General Hospital. He is chair of the Risk Committee.