Caroline Rhodes

Chief Executive Officer

Primary Producers SA

Caroline has more than two decades of agribusiness experience, having held senior roles in both the public and private sector and with state and federal farmer representative bodies in Australia, including the former South Australian Farmers’ Federation and the Grains Council of Australia. She was the CEO of Grain Producers SA prior to joining PPSA, and brings skills in strategic communications, stakeholder management and regulatory affairs.  

Caroline brings extensive experience in corporate governance and has served on a wide range of industry and community sector boards. Her current board appointments include the South Australian Cricket Association, Foodbank South Australia and Rural Business Support. She is a Member of the South Australian Skills Commission, and Chairs the Agribusiness, Food & Wine/Beverages Industry Skills Council.

Caroline holds a Bachelor of Agricultural Science from the University of Adelaide, a Master of Agribusiness from the University of Melbourne and a Diploma from the Australian Institute of Company Directors. She is a graduate of the Australian Rural Leadership Program and lives on a small rural property in the Adelaide Hills.

Professor Simon Maddocks


Primary Producers SA

Simon Maddocks has a long career in education and research with a focus on agricultural and biomedical science applications. He was Vice Chancellor of Charles Darwin University from 2014 to 2020 and prior to that a Professor of Animal Science and Director, Roseworthy Campus at the University of Adelaide.  

He has also been the Chief Scientist, Livestock & Farming Systems and Director, Science Partnerships with the South Australian Research and Development Institute (SARDI).

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


Grain Producers SA

Adrian is a grain grower at Hamley Bridge, where he crops wheat, canola, beans and durum. His family has been farming in the Mid North since 1956 and also farms on the western slopes of New South Wales. Adrian was appointed to the GPSA Board in December 2016, holding the position of Vice Chair from 2018. He is a former board member of the Southern Durum Growers Association, a member of Fat Farmers and a previous member of the SA Farmers Federation.

Adrian believes there are a number of key issues for producers which are being tackled by Grain Producers SA. These include the need to invest in country road infrastructure, reduce spiralling grain handling costs, gain access to GM crops and further promote the grains industry as a major contributor to the state’s economy.

Joe Keynes


Livestock SA

Joe is a partner in Keyneton Station, a family farming business, operating at Keyneton and in the South East, principally grazing Merino sheep, Angus cattle and first-cross lambs. Joe has had a long involvement in regional and state organisations including the Natural Resources Management Council and the SA Murray-Darling Basin NRM Board. He has also been a member of LambEx 2014 Committee and the Cattle Council of Australia Research, Development, Extension and Sustainability Sub-Committee. He believes a strong Livestock SA is needed to advocate to government and industry for future policy development and investment in programs that support agriculture. Joe is currently the South Australian representative on WoolProoducers Australia. He is also Chair of the PPSA Natural Resources Committee.

Jordan Brooke-Barnett

PPSA Representative

Horticulture Coalition of SA

Jordan Brooke-Barnett is CEO of AUSVEG SA, the statewide industry vegetable industry body and member of the Horticulture Coalition of SA. The Horticulture Coalition brings together a number of groups in the state’s $1.5 billion horticulture sector to improve government understanding and representation of cross-sectoral issues. Jordan has has been involved in agricultural advocacy for a number of years, previously being the National Manager for Public Affairs with AUSVEG national and a communications advisor in Canberra. In previous roles he has led complex advocacy outcomes including revision of the backpacker tax in 2016 and the national adoption of the horticulture industry code of conduct. In his current role, Jordan has overseen the growth of AUSVEG SA from its establishment in 2015 and led a number of initiatives including securing $5 million in funding towards labour initiatives to support producers through COVID-19, $9 million in flood mitigation works for Northern Adelaide producers and successfully fighting a number of local government rate increases affecting SA producers. Key achievements include being recognised with a 40 under 40 award in 2019 and being awarded the International Specialised Skills Institute Agriculture Fellowship in 2018.

John Hunt


SA Dairyfarmers’ Association

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.

Managing a team of full time and casual staff with his family has also built a desire for continual self-improvement and skills development. Since completing his Advanced Diploma in Agriculture, John has actively pursued industry best practice education and training as part of a strategic plan to allow him more time off-farm for industry advocacy involvement, as well as providing his team of both full time and casual staff with opportunities for career advancement.

John firmly believes that despite the occasional bump in the road, the future is bright for dairy farming in South Australia. He is committed to working with South Australia’s dairy industry and key stakeholders to achieve SADA’s mission of giving a voice to all dairy farmers and improving the viability and profitability of dairying now and into the future.

Adrian Hoffman


Wine Grape Council of SA

Adrian is a fifth generation Barossa Grape grower and sixth generation “Barossan”. 

Starting on a traditional mixed farm, the main focus of the Hoffmann family is now in wine grape growing. Adrian grew the vineyard from a modest 15ha in 1992 to currently just over 75ha.

Adrian, his wife April and three children live on the home property purchased back in 1857.

​Adrian has been actively involved in many industry and regional organisations, including six years on the Board of the Barossa Grape and Wine Association and past chair of Grape Barossa. He is a graduate of the Future Leaders program for the wine industry and is a Baron of the Barossa.