His main interest is building sustainable aquaculture through research, education and stakeholder collaboration. He has been at the University of Tasmania for over 25 years and led the School of Aquaculture and aquaculture at the Tasmanian Aquaculture and Fisheries Institute as well as being Education Leader on two seafood Cooperative Research Centres. His current research is on the nutritional physiology of aquatic ectotherms, developing sustainable aquafeeds, on-land and offshore aquaculture systems and rock lobster aquaculture.