Board of Directors

Douglas Ritchie |  Independent Non-Executive Chair

Douglas Ritchie | Independent Non-Executive Chair


Mr Ritchie has over 40 years’ experience in the resources industry having worked for Rio Tinto for 27 years. Mr Ritchie was a member of Rio Tinto’s Executive Committee and the Group Executive responsible for China.  During Mr Ritchie's vast career with Rio Tinto, he held positions as Managing Director of Rio's Dampier Salt Ltd, Rio's Head of Business Evaluation, Managing Director of Rio Tinto Diamonds, Chief Executive of Rio Tinto Coal Australia, Rio's Managing Director of Strategy, Chief Executive of the Energy Product Group and Group Executive Strategy and also served as Chair of the Rio Tinto Staff Superannuation Fund.  Mr Ritchie retired in 2013 and is a Fellow of the Australian Institute of Mining and Metallurgy and a Fellow of the Australian Institute of Company Directors. He was formerly a Director of the Queensland Resources Council.

Simon Wensley | CEO & Managing Director

Simon Wensley | CEO & Managing Director


Mr Wensley is a proven leader with 30+ years experience in the metals and minerals industry, including R&D, strategy formulation, finance, sales, marketing and trading, large scale capital projects, radical asset turnaround/business improvement, M&A and divestments. Mr Wensley began his career at Kobe Steel Ltd. Japan in coal chemistry R&D and major projects and spent 20 years with Rio Tinto in operational, project and leadership roles working in iron ore, copper, industrial minerals, bauxite, alumina, coal and uranium. Mr Wensley Chaired the Board of Queensland Alumina Ltd and served on the Boards of Rio Tinto Marketing Pte. (Singapore), Rössing Uranium Ltd. (Namibia) and Riversdale Coal entities (Mozambique). Mr Wensley is an Oxford University honors graduate in Chemistry and holds a MBA from INSEAD. He is a graduate of the AICD and an advanced exponent of ENS negotiation techniques.

Mark Sawyer | Non-Executive Director

Mark Sawyer | Non-Executive Director


Mr Sawyer is Senior Partner at Greenstone Capital LLP and co-founder of Greenstone Resources LP private equity fund. Mr Sawyer co-founded Greenstone in 2013 after a 19 year career in the mining sector including as co-head of group business development at Xstrata plc, and senior roles at Rio Tinto plc and Cutfield Freeman & Co Ltd. Mr Sawyer, together with Greenstone's co-founder, oversees all aspects of the management of the business. He serves as a Director of Greenstone Management Ltd, the fund's General Partner and is a member and co-Chair of the Investment Committee.

Fiona Murdoch | Independent Non-Executive Director

Fiona Murdoch | Independent Non-Executive Director


Ms Murdoch has 30+ years experience in the resources and infrastructure sectors in Australia and Internationally with senior operational roles held with AMCI Investments, MIM Holdings and Xstrata Queensland.  Currently, Ms Murdoch serves as a Non-Executive Director for NRW Holdings Limited and Ramelius Resources Limited. In addition, Ms Murdoch serves on the Joint Venture Committee for the Australian Premium Iron Joint Venture for AMCI and POSCO.   She is also Chair of The Pyjama Foundation Limited, a not-for-profit organisation providing learning-based activities for children in foster care.  Ms Murdoch has an MBA and Honours Degree in Law. 

Andy Lloyd | Independent Non-Executive Director

Andy Lloyd | Independent Non-Executive Director


Andy has over 30 years’ experience in the resources industry, having retired from Rio Tinto in July 2013.  Whilst at Rio Tinto, he held a number of senior commercial, project development and board positions within the Rio Tinto group in Papua New Guinea, Australia, and the UK, variously in the copper, aluminium, coal and uranium businesses.
Andy is currently the independent Chair of Jabiru Kabolkmakmen Ltd (JKL), a not for profit development initiative of the Northern Territory Government and the Gundjeihmi Aboriginal Corporation.  JKL is working with the key stakeholders in Jabiru to implement the Mirarr’s Masterplan to transition the town from a mining economy to tourism and services. 
Until January 2021 Andy was a director of Developing East Arnhem Ltd (DEAL).   DEAL is an economic development company formed by the Northern Territory Government and Rio Tinto Alcan in 2014 at the time that Rio Tinto placed the alumina refinery on care and maintenance. Over the past five years it has been successful in rebuilding the business confidence in the town of Nhulunbuy, and supporting economic development in the East Arnhem region.
At Rio Tinto, Andy was a senior executive member of the Energy product group with responsibility for investment planning and analysis. He has significant project experience in Australia and overseas, having worked on site in PNG with Bougainville Copper prior to its closure in 1989, Comalco in Bell Bay, and at Gove for Nabalco at it's bauxite mine and alumina refinery. Andy led the Kintyre project for Rio Tinto until its sale in 2008, including the negotiations with the Traditional Owners the Martu of the Western Desert.
He has served on the boards of Energy Resources of Australia, Coal and Allied Industries, Rössing Uranium Ltd in Namibia, and Kennecott Energy in the US.
Andy has degrees in science and commerce, and extensive experience in adding value to mining projects, corporate governance, and in dealing with governments. He lives in Melbourne, is married with three adult children, and is a volunteer firefighter with the Acheron CFA