Robyn Clubb


  • Robyn was appointed Chairwoman of ProTen in April 2019.
  • Robyn is currently Chairwoman of the Australian Wool Exchange, and former Chairwoman of the NSW Primary Industries Ministerial Council, and the Rice Marketing Board for the State of NSW.
  • She is a non-executive director of Essential Energy, Craig Mostyn Group and Elders Ltd.
  • Prior to becoming a non-executive director, Robyn had over 20 years executive experience in banking and financial services including with Citibank and AMP.

Bill Williams

Chief Executive Officer

  • Bill was promoted to CEO in May 2019 and moved to the Head Office, based in North Sydney.
  • Bill joined ProTen in 2014 as National Operations Manager, based in Griffith.
  • Bill has over 38 years experience in the poultry industry, the last 25 years with Tegel Foods (NZ), most recently as General Manager – Agriculture.  Previous roles have included Technical Services Manager, Operations Manager and Livestock Manager.
  • Bill holds a Bachelor of Veterinary Medicine and Surgery from Murdoch University WA.

James Wentworth

Chief Financial Officer

  • James was appointed CFO and Company Secretary in 2017.
  • James has over 25 years experience in finance roles in the banking, investment and mining industries.
  • Prior to joining ProTen James was CFO of Finders Resources, an ASX listed mining company. He has also held roles with CHAMP Ventures, Goldman Sachs, Lehman Brothers and Macquarie Bank.
  • James holds a Bachelor of Law and Bachelor of Commerce and is a Certified Practising Accountant.

Anthony Abraham


  • Anthony is an Investment Director at ROC Partners and has over 25 years of agricultural investment experience.
  • Anthony established Macquarie Agricultural Funds Management as former CEO and was responsible for over AU $1 billion of funds under management.
  • He is currently a director of the Australian Agricultural Company (AACo) and an agricultural adviser to the Clean Energy Finance Corporation (CEFC).

Frank Barillaro


  • Frank is an Investment Director at ROC Partners and has over 15 years of private equity and food / agribusiness experience.
  • Specialised experience in permanent crops (horticulture & viticulture), water assets and forestry.
  • Previously worked with Macquarie Agricultural Funds Management & ADM Capital Global Food and Agriculture.
  • Previous Board member of Macquarie Agricultural Services Pty Ltd, Macquarie Farm and Resources Management Pty Ltd and Amaretto Foods Pty Ltd.

Heather Stacy


  • Heather was appointed Director of ProTen in September 2021.
  • Heather is currently a non-executive director of Agricultural Innovation Australia and the Rural Financial Counselling Service. Previous non-executive roles include AgriFutures Australia, Victorian Workcover Authority and West Gippsland Healthcare Group.
  • Heather has an executive career in agribusiness, heavy industry, manufacturing and fast moving consumer goods.
  • In 2016 she was made a Member of the Order of Australia for significant service to primary industry.
  • Heather is qualified in agricultural science, has a Masters of Business Administration and is a graduate of the Australian Institute of Company Directors and the Australian Rural Leadership Program.