Our People

Our Team

  Mark Dossor

  Chief Executive Officer

Mark joined Rangatira Investments as their CEO in August 2018.

Prior to this, Mark was the Chief Financial Officer of the Accident Compensation Corporation. At ACC Mark had responsibility for leading ACC’s finance function, procurement, property and investment management covering an investment fund of over $36b.

Mark began his career in KPMG and then worked at MAS Technology and Endeavour Capital before spending 3+ years at NZ Post as CFO of their Postal Services Business.  Mark is also a past Chairman of the NZVCA.

He has a Bachelor of Commerce and Administration from Victoria University of Wellington and completed the Advanced Development Programme at the London Business School. Mark is a member of the NZ Institute of Chartered Accountants and the Institute of Directors.

  Chris Bradshaw

  Chief Financial Officer

Chris joined Rangatira in 1999 and is in charge of investment management, finance, administration and secretarial functions for Rangatira.

He has wide experience as an accountant and financial analyst, both in New Zealand and in the United Kingdom and was previously an analyst for a New Zealand broker.

Chris has a BSc and BCom from Victoria University of Wellington.

Chris is currently a director of portfolio companies Bio-Strategy (Chair) and Hellers.

Board of Directors

David Pilkington


David spent nearly 30 years in the dairy sector, holding senior executive positions with Fonterra and the NZ Dairy Board.

David has a BSc and a BEng (Chemical) from the University of Canterbury, and a Postgraduate Diploma in Dairy Science and Technology from Massey University.

He is also a director of Port of Tauranga (Chair) and Douglas Pharmaceuticals and was a director for Restaurant Brands, Zespri, and Balance Agri-Nutrients.

David has been a Director of Rangatira since 2006 and Chair since September 2013. He sits on the Remuneration Committee and on the board of portfolio company Hellers (Chair).

Keith Gibson

Deputy Chair

Keith represents the McKenzie trust and family interests on Rangatira’s board.

Keith has a Diploma in Land Surveying from the University of Otago and subsequently gained registration as a Land Surveyor.

He has a background in horse racing as the director and owner of Roydon Lodge Stud which has bred leading horses such as Sundon, which was New Zealand Stallion of the year on four occasions.

Keith was reappointed as a Director of Rangatira in 2011, having previously served as a Director between 1991 and 2005. He sits on the Audit and Remuneration Committees and on the board of portfolio companies Polynesian Spa (Chair) and New Zealand Pastures.

Sam Knowles

Sam has 30 years’ experience in management and financial services, and as CEO of Kiwibank from 2000 to 2010 grew it from a start-up to a profitable full service bank.

Sam has a BSc in Physics from Waikato University and an MSc (Hons) in Resource Management from Canterbury University.

He is also a director of Synlait Milk, Trustpower, Partners Life (Chair), SLI Systems and was Chairman of Xero until 2014. Sam sits on the Remuneration Committee.

Sam has been a Director of Rangatira since 2011.

Sophie Haslem

Sophie has a background in strategy consulting and corporate finance with a career spanning New Zealand Post, Citibank NA, ANZ Investment Bank, and Cap Gemini Ernst & Young.

Sophie is a member of the NZ Institute of Directors and has a BCom and Post-Graduate Diploma in Management from The University of Melbourne.

She is also a director of CentrePort Limited, Kordia, the MetService and a trustee of the Akina Foundation.

Sophie has been a Director of Rangatira since 2013. She chairs the Audit Committee and sits on the board of portfolio companies Rainbow's End and Magritek.


Richard Wilks

Richard comes from a 30-year career in corporate banking and has held a number of senior executive roles with ANZ National Bank, Standard Chartered Bank, Citibank Australia, Westpac Trust Australia and Citibank New Zealand where he was Chief Executive.

He holds a BCom from the University of Auckland and is a member of the Institute of Chartered Accountants and the New Zealand Institute of Directors.

Richard has been a Director of Rangatira since 2012. He sits on the Audit Committee and on the board of portfolio company Rainbow's End (Chair).


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