John is an accountant with over 30 years' experience in the mining industry. John joined CRA Limited (now Rio Tinto) from the University of Melbourne in 1981 and held a number of corporate positions in accounting, planning, business analysis, taxation and strategy and acquisitions. Between 1996 and 2000, John was Manager Finance for the Rio Tinto/Freeport Joint Venture in West Papua. In 2000, John was appointed General Manager Finance for Morobe Consolidated Goldfields Limited in Papua New Guinea, where he was responsible for all commercial, legal and risk assessment studies performed as part of the feasibility study for the development of the Hidden Valley Gold Project.
In 2003, John returned to Australia where he joined Indophil Resources NL as General Manager-Commercial. John was responsible for all accounting, business analysis, corporate secretarial, legal and taxation functions in Australia and the Philippines. John was also responsible for all commercial functions associated with the Indophil Pre-Feasibility Study for the Tampakan Copper-Gold Project, which ultimately led to the decision by Xstrata Queensland Limited to exercise its option to acquire a controlling interest in the Tampakan Copper-Gold Project. John resigned from Indophil at the end of 2007 and provided consulting advice to Indophil as well as other mining entities including the Australian Premium Iron Ore Joint Venture, Intrepid Mines Limited, Mesa Minerals Limited and Ok Tedi Mining Limited before founding the Company in October 2009 and the acquisition of its principal assets in February 2011 and then Bekisopa in 2014.