Board and Management

Ian Mathieson - Executive Chairman


Ian is a seasoned executive with more than 35 years of successful business experience across a broad range of industries and activities. Ian’s considerable experience include resources, property, development, forestry, project financing, project feasibility, strategic and tactical implementation, negotiating environmental and indigenous matters, and transitioning projects and developments from conception through to completion and profitability. Notably, Ian was the Director, financier and co-owner of South Australia Mining Resources; a company that owned the the Kanmantoo open-cut copper mine before selling the project to Hillgrove Resources.

Ian is the chair of the AMD remuneration and nomination committee.

Mark Fisher - Non-Executive Director


Mark is a highly accomplished resources executive with over 35 years of hands-on operational and corporate experience in mining all around the world. His skills and experience include strategic business planning and risk mitigation, business and project management, developing mine engineering and production requirements, mine management and liaison with diverse cultures in indigenous and remote communities.

Mark has had extensive global leadership and operational experience in his career to date, including senior positions with Placer Dome and Barrick Gold Corporation over a period of decades. Mark’s combination of skills and depth of experience has consistently produced profitable and sustainable outcomes in complex settings delivering increased shareholder value.

Mark has held the positions of Operations Director Australia, GM of Kanowna Belle in Kalgoorlie, Mine Manager for the Porgera Gold Mine (PNG), Chief Mining Engineer and Mine Manager for the Misima Gold and Silver Mine (PNG), Executive General Manager for Barrick Papua New Guinea and Operations Director for both Barrick Asia Pacific and Barrick South America.

Most recently, Mark was President of the Global Copper division for Barrick Gold Corporation executing the development strategy over its portfolio of key copper assets in South America, Africa, Middle East and Asia.

Mark is the chair of the AMD technical committee.

Greg Anderson - OBE Non-Executive Director


B.Sc (Geology)

Greg joined the Bureau of Mineral Resources in Canberra and was seconded to work with the Geological Survey ofPapua New Guinea in 1975. Greg held a number of positions in the PNG Geological Survey from 1975-85 and during this period he conducted and supervised a wide range of engineering and geological hazards studies throughout PNG. He was appointed Director of the Survey in 1986 and remained in this position until 1989. Throughout those years he was responsible for the overall management of mining and petroleum exploration in PNG during a period of intense activity.

In 1989 Greg was appointed to the position of Executive Director of the newly established PNG Chamber of Mines and Petroleum, which is an industry association that represents the interests of the mining and petroleum sectors in PNG.

Since 1989 and up until his retirement from the Executive Director position in June 2017, Greg was responsible for developing the Chamber into a peak industry body that has a major input into legislation and policy changes and has underpinned the development of PNG’s world-class resource industry. Today the Chamber boasts a membership that includes some of the largest and well-known mining and petroleum companies in the world.

Greg was instrumental in fostering investment and growth in the PNG mining and petroleum sectors through Chamber-organised international and domestic investment conferences, and the commissioning of a wide range of studies and reports that have benefited many projects and industry stakeholders. He also played a pivotal role in advancing developments in the areas of taxation, education and training, health and community development.

Greg was awarded an OBE in 2019 for his significant contribution to establishing and growing the resources industry in Papua New Guinea.

Genesio Circosta - Non-Executive Director


Genesio is a highly experienced exploration geologist and manager with over 40 years of experience leading gold discoveries in China, SE Asia and Northern Queensland. His experience includes more than 17 years with Placer Dome managing near-mine exploration programs on projects such as Kidston Gold Mine and the Misima mine in PNG, and managing exploration for gold, copper, zinc, lead and mineral sands. Genesio was until recently the Exploration Manager for the Pajingo gold mine (Minjar Gold) and is currently Head Geologist for NQM Gold 2 (Minjar Gold). Genesio was previously the Principal Geologist for Evolution Mining Limited.

Glenn Twomey - Geology Consultant


Glenn is a very experienced Exploration Geologist with versatile management skills and more than 33 years of success working in the exploration industry covering Papua New Guinea, Australia, New Zealand, Tanzania, Burkina Faso, Mali, Guinea and China. Glenn spent 17 years in senior roles within Barrick Gold as Exploration Manager and Principal Geologist for PNG, Exploration Manager for Africa, Exploration Manager for Asia and Exploration Manager for Project Development.

In addition, Glenn has held roles in a variety of well‐known companies including Placer Pacific at the Kidston Gold Mine in Queensland. Glenn’s PNG‐based successes include the definition of the multimillion‐ounce expansion of the Porgera resource and the discovery of the 1Moz geological inventory at Kora within the Kainantu project. Glenn brings hands‐on experience for all aspects of exploration. He has managed teams in excess of 250 people and budgets in excess of $30M per annum.

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