Michael Trumbull has a degree in mining engineering (first class honours) from the University of Queensland and an MBA from Macquarie University. A Fellow of the Australian Institute of Mining and Metallurgy, he has over 40 years of broad mining industry experience with mines / subsidiaries of MIM, Renison, WMC, CRA, AMAX, Nicron, ACM and BCD Resources.
From 1983 to 1991, he played a senior executive role in expanding the Australian gold production assets of ACM Gold. From 1985 to 1987, he was Project Manager and then Resident Manager of the Westonia open pit gold mine and treatment plant in Western Australia. Westonia production for 1986/87 was 650,000 tonnes at 3.0 g/t head grade and 90% mill recovery for 56,000 ounces of gold. From 1987 to 1991, he was General Manager – Investments for the ACM Group.
From 1993 to 2011, he was a Director of BCD Resources Group and was involved in the exploration, subsequent mine development and operation of the Beaconsfield underground gold mine in Tasmania. From 1993 to 2003, he was the sole Executive Director of BCD and, from 2003 to 2004, was the Managing Director.