Jim Mann has been Professor in Human Nutrition and Medicine at the University of Otago and Consultant Physician (Endocrinology) in Dunedin Hospital for the past 28 years. Previously he lectured at the University of Oxford and was a Physician in the Radcliffe Infirmary.

He is Director of the World Health Organisation Collaborating Centre for Human Nutrition, the Edgar Diabetes and Obesity Research Centre at the University of Otago,principal investigator for the Riddet Institute, a national Centre of Research Excellence at Massey University and in 2015 he was appointed director of the ‘Healthier Lives’ National Science Challenge.

His research and clinical work have been in the fields of lipids and carbohydrates as they relate to diabetes, coronary heart disease and obesity. He has been involved with national and international government and nongovernmental organisations (including the World Health Organisation, the European Association for the Study of Diabetes and the World Cancer Research Fund) in guideline development relating to diabetes, cardiovascular disease, cancer and nutrition.

He has been author and coauthor of over 300 publications and has written and edited textbooks and popular books.