Board of Directors
Management Team
Board of Directors

Bruce Wilton


A board member since 2003, Bruce carries on a proud history at Tatua with the Wilton family being one of the original founding suppliers in 1914. With an extensive background in the fertiliser industry, Bruce completed the Kellogg Rural Leadership programme in 2004 and was the recipient of the Food and Agribusiness Market Experience (FAME) Scholarship in 2006, which resulted in a global study of the international agricultural food sector. He sits on two sub committees, People and Remuneration and the Tatua Farm Committee and he also chairs the Emerging Leaders Programme at Tatua, an initiative aimed at developing governance capability within the wider shareholder base.

Ross Townshend

Tech (Massey), AMP (Harvard)

An independent board member since 2009, Ross has a strong dairy operational background with New Zealand Dairy Group, New Zealand Dairy Foods and the wider Australasian dairy industry. Ross has also held international senior executive positions within the meat, packaging, food and wool industries, as well as in engineering, innovation and consulting. A food technologist by background, Ross has an AMP:ISMP from Harvard Business School. He has farming interests and is also a director of several engineering and private companies.

Dr Louise Cullen

B.Sc. (Hons) PhD (Lincoln), Dip. Man.

Louise joined the Tatua board in 2016. She has a strong environmental and ecological science background coupled with hands-on farming experience. Her educational background includes degrees in Ecology and Botany and a PhD in Forest Ecology from Lincoln University. Louise is currently a director of several family-owned dairy farming enterprises with her husband Richard, continuing their family farming legacy which began in 1924.

She has worked within a range of industries including research science, environmental consultancy, not-for-profit and commercial management. She completed a Diploma in Management in 2013 and is currently studying towards a NZ Diploma in Agribusiness Management. Louise is also a member of the Primary ITO Industry Partnership Group.

Peter Schuyt

B.Com., MinstD, C.F.Inst.D

An independent board member since 2009, Peter’s involvement in the dairy industry spans over 25 years including CFO of NZ Milk Products (Fonterra) and CFO of the New Zealand Dairy Board. Peter also was CFO of the NZ Post Group.
Peter has a background in strategic and financial management, leadership and governance across major New Zealand based, but globally operating co-operatives and companies. He is currently Chairman of two NZ companies, and a non- executive director of a number of NZ-based organisations involved in retail, export, financial services and research.

Stephen Allen


B.Com., Dip. P.E.

A board member since 1996, Steve became Tatua Chairman in 2003. Steve is a fifth generation farmer, whose family has been in the Piako district since 1886. The Allen family have been supplying Tatua since the end of World War 1. 
Steve’s career has included time in the commercial sector with IBM New Zealand, and comprises extensive dairy industry experience with directorships on both the NZ Dairy Board and LIC (Livestock Improvement Corporation). More recently Steve has been a member of the Waikato Dairy Leaders Group which oversees development in relation to sustainable dairy farming and water allocation in the region. He is a director of a number of private companies and a trustee of the Waikato based David Johnstone Charitable Trust.

Mark Dewdney


A board member since 2012, Mark’s links with Tatua go back to his birth, growing up in a house on the Tatua site where his father Neil was Managing Director. Mark’s extensive dairy industry experience includes various senior executive positions within Tatua, the New Zealand Dairy Group (General Manager), Fonterra (Managing Director Asia Ingredients), Livestock Improvement (CEO) and PGG Wrightson (CEO). He is also an Independent Director of Dairy Goat Co-operative.

Brendhan Greaney

Chief Executive Officer


Brendhan was appointed Chief Executive Officer at Tatua in December 2016. Brendhan is an experienced Senior Executive with extensive dairy industry experience. He was previously General Manager Operations at Tatua, a position he held for six and a half years. Brendhan’s previous career was with Fonterra where he held various roles, including regional operations and regional business roles in the Middle East and SE Asia. He is qualified with a Bachelor of Management Studies from The University of Waikato with majors in Accounting and Finance. Brendhan is Tatua’s ninth CEO, or equivalent leader in its 102 year history.


David Muggeridge


David has been a Tatua shareholder since 1986 and joined the board in 1999. Originally a mechanical engineer, his innovative approach to farming, particularly in the area of pasture management, has led to his property being used for extensive soil fertility trials.

Dr. Kevin Old

B.M.S., M.B.A., PhD (Waikato)

A board member since 1993, Kevin’s links with Tatua go back more than three generations.
Kevin has interests in family farms supplying Tatua. He sits as a member of the Dairy Companies Association of New Zealand and has been Director of New Zealand Animal Evaluation Limited. Kevin was previously a Governance Group member of the National Animal Identification and Tracing project and now sits on the OSPRI Stakeholders’ Council. In 1998 he was awarded a prestigious Nuffield scholarship. Kevin is currently a Senior Lecturer in Farm Management Research at Lincoln University.