Mr David Klingberg, AO Chairman (Independent) | Appointed 19/4/05 | Chairman since 15/1/10

Mr Klingberg has 35 years’ experience as a professional engineer with Kinhill Limited including 10 years as CEO. He is a former Chancellor of the University of South Australia. Mr. Klingberg is Chairman of the Technical Advisory Panel for the Commonwealth’s proposed National Radioactive Waste Management Facility. He was formerly the Chairman of Barossa Infrastructure Limited and the Premier’s Climate Change Council and has recently retired from the board of E&A Limited (ASX: EAL), Codan Limited (ASX: CDA) and Snowy Hydro Limited as well as the State Government Boards of Renewables SA and Invest in SA.


Mr Klingberg is a member of the Company’s Audit and Risk Management Committee and the Remuneration and Nomination Committee.

Mr Ben Hammond Managing Director 


Mr Hammond holds degrees in geology and business, spending his career in a variety of roles across the mining supply chain and development cycle. He has held both operational and project development roles throughout his career mostly outside of geoscience across mining, processing, ports and logistics. His previous roles have covered mine geology, operational business improvement, marketing and business development, and study management. He played a key role in marketing and negotiation of previous major international joint ventures completed by Centrex, including setting up and running a Chinese/Australian iron ore joint venture company. Originally joining Centrex in 2007, he was appointed CEO in 2013 and Managing Director in 2017.

Mr Kiat Poh Independent Non-Executive Director | Appointed 21/5/08

Mr Poh has over 30 years experience at senior management level in the construction, quarrying, real estate development, manufacturing industries and financial markets.  He has also held senior positions in corporate finance and mezzanine capital investment companies in Malaysia specialising in investments as well as mergers and acquisitions.  From 1998 to 2005 he was Managing Director of a Singapore Exchange listed company and since 2005, Mr Poh has managed an investment advisory company in Singapore that focuses on participating in strategic stakes in listed companies.  He is also a director of SML Corporation Limited (ASX: SOP).


Mr Poh is a member of the Company’s Audit and Risk Management Committee.

Mr Graham Chrisp Non-Executive Director | Appointed 21/1/10

Mr Chrisp has a degree in Civil Engineering and has substantial experience in numerous aspects of business operations, including design and construction of roads and other earthworks, mineral exploration and property development. He was a founding director of Centrex Metals Limited (having previously served as its Managing Director) and Lincoln Minerals Ltd.  He is the Executive Chairman of Outback Metals Pty Ltd (ASX: OUM, delisted on 26/2/2015) and has numerous private interests.


Mr Chrisp is a member of the Company’s Remuneration and Nomination Committee.

Mr Jim Hazel Independent Non-Executive Director | Appointed 12/7/10

Mr Hazel has had an extensive career in banking and investment banking, including as Chief General Manager of Adelaide Bank Ltd and was formerly managing director of an ASX listed retirement village and aged care operation.

He is now a professional public company director and is currently a Director of Bendigo and Adelaide Bank Limited (ASX: BEN), Coopers Brewery Limited and Ingenia Communities Group (ASX: INA, Chairman).  He is formerly a director of Impedimed Limited (ASX: IPD).


Mr. Hazel is Deputy Chairman of the Company and chairs the Company’s Audit and Risk Management Committee and the Remuneration and Nomination Committee.

Mr Chris Indermaur Independent Non-Executive Director | Appointed 1/7/17

Mr Indermaur has over 30 years of experience in large Australian companies in engineering and commercial roles. He is currently the non-executive Chairman of Poseidon Nickel Limited and Medibio Limited, as well as a Director of Austin Engineering Limited. Chris was formerly the Engineering and Contracts Manager for the QNI Nickel Refinery at Yabulu, Company Secretary for QAL and General Manager for Strategy and Development at Alinta Limited. In his earlier career Chris worked at Wesfarmers chemical and fertiliser subsidiary CSBP for ten years where he held engineering and production roles. Chris holds a Bachelor of Engineering (Mechanical) and a Graduate Diploma of Engineering (Chemical) from the West Australian Institute of Technology (now Curtin University). Chris also holds a Bachelor of Laws and a Master of Laws of the Queensland University of Technology and a Graduate Diploma in Legal Practice from the Australian National University.