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 previously spending 10 years as CEO managing professional engineering services to resource developments and other industries. He has extensive experience in the mining industry as Project Manager for the Windarra Nickel project for Poseidon Ltd and was responsible for significant projects for Western Mining Corpration and CRA Limited. He was also a director of the engineering joint venture overseeing the Lihir Gold Project.

Mr Klingberg is a former Chancellor of the University of South Australia, retiring in 2008 after holding the position for 10 years. He was formerly the Chairman of Barossa Infrastructure Limited and the Premier’s Climate Change Council. Previous directorships include Codan Limited (ASX: CDA), E&A Limited (ASX: EAL) and Snowy Hydro Limited as well as the State Government Boards of Renewables SA and Invest in SA. He is currently a director of Litigation Lending Services Limited.


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, mergers and acquisitions as well as financial instruments for fund raising.  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. As an owner and operator of earth moving equipment for mining and civil applications, Mr Chrisp has practical experience with modest scale mining operations, including several of his own developments. 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’ experience in large Australian companies in seniorengineering and commercial roles. His significant technical and commercial experience extends to downstream mining related industrial facilities including fertiliser plants.
Mr Indermaur is currently the Non-Executive Chairman of Poseidon Nickel Limited (ASX: POS) and Medibio Limited (ASX: MEB) as well as a Director of Austin Engineering Limited (ASX: ANG).
Chris was an engineer at CSBP where he had responsibility over many years for operation and maintenance of chemical and fertiliser plants. These handled and processed large volumes of phosphate and potash raw materials. He was the senior engineer in charge of heavy chemical production plants in South Australia (Penrice Soda) and North Queensland (QNI). He has had responsibility for large blue collar and white collar engineering workforces in hazardous environments.
Chris was Company Secretary and Commercial Manager at QAL where amongst other duties he had responsibility for negotiating large international chemical contracts and shipping charters.
Chris led the Strategy and Business Development function at Alinta Ltd for its period of growth from 2001 to 2007. He led numerous multi billion dollar transactions in the energy and infrastructure industries.