He worked for 16 years for the UK Natural Environment Research Council (NERC) at the Institute of Marine Biochemistry, Aberdeen (1982-1986) and the Unit of Aquatic Biochemistry, University of Stirling (1986-1998). His main research interests during this period were fish lipid and fatty acid metabolism including embryonic and early larval development, and cell culture studies on eicosanoid metabolism, polyunsaturated fatty acid synthesis and neural development. In 1998 he joined the Nutrition Group, Institute of Aquaculture, University of Stirling as senior lecturer and was awarded his personal chair in 2009. His current primary research interests are the molecular biology and genetic basis of regulation of lipid and fatty acid metabolism and nutrition in fish, with particular focus on omega-3 (n-3) long-chain polyunsaturated fatty acids. Professor Tocher has co-authored almost 350 scientific publications including journal papers, book chapters, conference abstracts and popular articles. He is a member of the European Federation for the Science and Technology of Lipids, and American Oil Chemists’ Society (AOCS), and the editorial boards of the journals Aquaculture and Fish Physiology and Biochemistry.