Apr 30, 2026 | Column
The escalating crisis in the Middle East is once again sending shockwaves through global supply chains and Australian agriculture is feeling the tremors. Much of the focus has rightly been on disruptions to fuel and fertiliser, which are critical inputs that underpin...
Caroline Rhodes
Chief Executive Officer
Cam Parker
Policy Director
Cam brings a strong understanding of various production systems, national agricultural advocacy bodies, and the workings of both state and federal governments. He is an alumni of agricultural industry leadership programs and is active in giving back to the industry via formal and informal mentoring.
Greg Cock
NRM Liaison Officer
Prior to joining Primary Producers SA he contracted to Livestock SA, contributing to delivery of a Murray Darling Basin environmental watering project through the Department of Environment and Water. He is a current Board member of the Murraylands and Riverland Landscape Board and Director and part owner of a private wetland complex off the River Murray.
Alyssa Stockwell
Business Manager/EO for EW Stevens Trust
William Gillett
Intern
Professor simon maddocks
Chair / PPSA
Simon is a passionate advocate of the role education plays in assisting people to capitalise on their inherent potential. He believes quality research and innovation is the key to a productive and sustainable economy.
Simon’s extensive leadership experience at senior levels of both academia and government has awarded him an international research reputation in agricultural and biomedical science. He also holds a strong record of working closely with industry partners including Cooperative Research Centres and with organisations such as the Menzies Foundation.
Adrian McCabe
Chair / Grain Producers SA
Jordan Brooke-Barnett
Deputy Chair / Horticulture Coalition of South Australia
Joe Keynes
Livestock SA Member
Joe is a partner in Keyneton Station, a family farming business based in the Eastern Mount Lofty Ranges and South East, grazing Merino sheep, Angus cattle and first-cross lambs. Joe has a long involvement in regional and state organisations including the Natural Resources Management Council and the SA Murray-Darling Basin NRM Board. Joe has been a director on WoolProducers Australia and is the current chair of the PPSA Natural Resources Committee.
John Hunt
President / South Australian Dairyfarmers’ Association
John and wife Karen are equity managers in a 600-cow dairy situated in the Lower South East and co-own a neighbouring 240-cow dairy with John’s brother. They have recently purchased an adjoining 75 hectares, with plans to convert it to a 250-cow dairy. John joined SADA in 2013 with a keen interest in helping facilitate the next generation of dairy farmers; protecting the farmer’s right to farm; securing profitability in the industry and establishing more transparency in industry-relevant government policy and planning. John is secretary of PPSA.
Nathan Paine
Chief Executive Officer /
South Australian Forest Products Association
Adrian Hoffman
Chair / Wine Grape Council of SA
Robert Brokenshire
President / South Australian Dairyfarmers’ Association
Robert is a dairy farmer from Mount Compass and former member of the South Australian Parliament. The Brokenshire family currently milk 440 jersey cows and maintain a Jersey Stud breeding from a fourth-generation herd. The dairy is in an expansion stage at the moment and while they milk in a conventional herringbone dairy, they are in the process of upgrading to a high-tech rotary.
In parliament, Robert spent 23 years across a number of roles and as a member of both houses.
John Gladigau
Chair / Grain Producers SA
John is a third-generation farmer in the Northern Mallee region of SA and was a partner in Bulla Burra, a collaborative farm which crops 8,500ha annually to cereals and legumes until 2023. He is also the Creative Director at ifarmwell and works with a number of mental health initiatives across South Australia including Vocal Locals. John is also a 2007 Nuffield Scholar and a Graduate of the Australian Institute of Company Directors.
Angelo Demasi
Chair / Horticulture Coalition of SA
Angelo Demasi is chief executive officer of the South Australian Produce Market Limited – the state’s premier fresh produce wholesale market servicing all sectors, from growers and wholesalers to the retail and hospitality sector.
With over 30 years’ senior management experience within the fresh produce, meat, bakery, manufacturing, and retail industries, Angelo is also a Fellow of the Australian Institute of Management and the Institute of Public Accountants.
Passionate about growing the $1.3 billion horticultural industry in South Australia and for promoting our clean and green pest-free status around the world, Angelo also has extensive experience in exporting to markets in Asia and Europe.
He serves on many boards and committees including the Horticultural Coalition of SA, Northern Economic Leaders and Northern Futures. He is also a member of the Stakeholder Reference Group for the development of a new Biosecurity Act for South Australia.
Gillian Fennell
Chair/ Livestock SA
Gillian Fennell was born and bred in North West Queensland, before moving to SA for more than 20 years ago with her husband and his family. She is now based on a million-acre rangelands Charbray cattle station in the Far North of SA called Lambina Station. Gillian is the SA Representative for Australian Women in Agriculture, a non-profit incorporated organisation established in 1994, and a Cattle Council of Australia board member. She is also a graduate of the Australian Institute of Company Directors.
Fiona Rasheed
Senior Policy Officer