Directors & Management

Stephen Biggins_CXO Board+MD.jpg


Managing Director (appointed 10 September 2010)
MBA, BSc (Hons) Geol, MAusIMM

Stephen has 25 years’ experience as a geologist and as an executive in both the mining industry in Australia and internationally.

He has applied his Honours Degree in Geology and MBA as the founding Managing Director of several ASX-listed companies.

As Managing Director of Core Lithium (ASX: CXO), Stephen led the Company to the acquisition, discovery and definition of the first lithium Resources in the Northern Territory, which is one of the highest-grade lithium resources in Australia.

Stephen previously served as founding director of Southern Gold (ASX: SAU) from 2005 to 2010 and led the acquisition and discovery of the Cannon Gold Mine in Western Australia, which is currently in production. Stephen was also a founding Director of Investigator Resources Ltd (ASX: IVR) which has discovered a high-grade Paris Silver Resource in South Australia on its founding projects.

Stephen has built prospective portfolios of lithium, gold, uranium and base metal exploration projects in Australia, Asia and Africa.

Greg English_CXO Board+Chairman.jpg


Non-Executive Chairman (appointed 10 September 2010)
B.E. (Hons) Mining, LLB

Greg is a qualified mining engineer and lawyer with over 20 years’ experience in multi-commodity projects throughout Australasia. Greg is a partner of Piper Alderman Lawyers and specialises in mining, commercial and securities law. He is also a qualified mining engineer, with experience on a wide variety of mining projects. Greg is also a director of ASX-listed companies Archer Exploration and Leigh Creek Energy.

Greg’s experience in the mining industry, particularly in capital raising, tenement acquisition, project management and business development, and his industry knowledge and business relationships, enables Core to manage and develop its existing tenement portfolio and to identify and secure other high-quality exploration assets.

Heath Hellewell_CXO Board.jpg


Non-Executive Director (appointed 15 September 2014)
BSc (Hons) MAIG

Heath is an exploration geologist with over 20 years of experience in gold, base metals and diamond exploration predominantly in Australia and West Africa.

Heath has previously held senior exploration positions with a number of successful mining and exploration groups including DeBeers Australia and Resolute Mining. Heath joined Independence Group in 2000 prior to the Company’s IPO and was part of the team that identified and acquired the Tropicana project area, eventually leading to the discovery of the Tropicana and Havana gold deposits.

Most recently, Heath was the co-founding Executive Director of Doray Minerals, where he was responsible for the Company’s exploration and new business activities.

Following the discovery of the Andy Well gold deposits, Doray Minerals was named “Gold Explorer of the Year” in 2011 by The Gold Mining Journal and in 2014 Heath was the co-winner of the prestigious “Prospector of the Year” award, presented by the Association of Mining and Exploration Companies.

Jarek Kopias_Co Sec.jpg


Company Secretary (appointed 21 June 2011)

Jarek is a qualified certified practising accountant who has worked extensively in the resources sector in various corporate and mine site roles. He holds a Bachelor of Commerce Degree, is a chartered secretary and a member of the Institute of Certified Practising Accountants in Australia.

Blair Duncan_GM Project Development.jpg


General Manager – Project Development (appointed 14 August 2017)
Bachelor of Engineering (Mining), MBA

Blair is a degree-qualified mining engineer which he earned from the University of Wollongong and has a Master of Business Administration earned from Charles Sturt University.

Blair’s extensive mining background has been gained in the commodities of coal, gold, copper, nickel, vanadium, iron ore and lithium.

He has held senior operations management and executive C-suite roles with significant business unit responsibility in open pit and underground mines, gold CIL /CIP processing plants, nickel concentrators, heap leach operations, copper SXEW cathode production facilities and Iron ore developments.

Blair has successfully managed a number of significant greenfield and brownfield developments during his career. His Australian mining experience has included significant time spent in NSW, WA, NT and SA.

His international mining experience has included extensive mining business travel throughout Brazil, North America and China.

Dr David Rawlings_Exploration Manager.jpg


Exploration Manager (appointed 21 March 2016)
BSc Hons, PhD

David has significant experience in regional synthesis and resource assessment emanating from regional mapping for the Northern Territory Geological Survey, focused on the greater McArthur Basin. He has also had ten years of experience leading exploration and resource discovery/definition in both hard-rock and soft-rock uranium systems in central and northern Australia, having worked for Cameco and Toro Energy. In more recent times, David has worked as a consultant to a myriad of companies, covering a diversity of commodities, even unconventional oil and gas. He has acted as Core’s Exploration Manager since early 2016, leading to the discovery of lithium in the Bynoe pegmatite field and defining prospects and resources at the Finniss Project.