About Feedworks

With almost four decades of industry experience, Ian is a professional Animal Nutritionist. Graduating from Sydney University in 1987, majoring in animal production, he later completed Business Management qualifications at Macquarie University. Ian spent 17 years as a Nutritionist and Technical Manager for a national feed milling group, managing both technical and field teams. Since 2005, he has been a partner at Feedworks, focusing on ruminant production. Ian also serves as an Adjunct Fellow at the University of Melbourne, is an Honorary Fellow and Past President of the AARN, and contributes to industry knowledge as an External Reviewer for the American Association of Dairy Science and Committee Member for the Recent Advances in Animal Nutrition conference.

Steph works within the ruminant technical services team at Feedworks, specialising in beef production and supporting clients across northern Australia. She completed her PhD at The University of Queensland, where her research focused on nutritional strategies to alleviate heat stress in feedlot cattle – work that has informed practical approaches to improving animal welfare and productivity in challenging environments. Steph’s background includes hands-on roles in agricultural education, research experience in both Australia and the United States, and presentations at industry workshops and conferences. Her expertise lies in applying science-based, practical solutions to enhance cattle health and performance, with particular interest in feedlot nutrition and phosphorus supplementation.

Originating from a farming community in north-west Tasmania, Pip’s background spans dairy business management, technical nutrition, and consulting. Over the past 25 years, Pip has held executive roles in both corporate and private sectors, focusing on enhancing animal health and production through nutritional interventions, and supporting environmental and financial sustainability. Since joining Feedworks in 2022, Pip has delivered on-farm and feed milling nutrition support in dairy and nutrition across Australia, and served as a professional development educator across Australasia. Pip’s industry involvement includes executive roles with the AARN, delivering professional support services for Dairy Australia, and consulting to major corporate dairy businesses.

Based in northern Victoria, Hayley Marciniak is part of the ruminant technical services team at Feedworks, bringing experience across dairy, beef, and sheep enterprises in both grazing and feedlot systems. She completed a Bachelor of Agriculture at the University of Melbourne, with her final year at Dookie College, where she also worked on the campus’ robotic dairy. Hayley’s career has included roles in dairy processing, technical support for stockfeed, and hands-on livestock management in the Pilbara, Western Australia, as well as working at a large beef and sheep feedyard in southern New South Wales. Hayley is a full member of the Australian Association of Ruminant Nutrition and serves on the Murray Dairy Young Dairy Network Steering Committee.