Gary Wittert is a graduate of the University of Witwatersrand, Johannesburg, South Africa. He is Professor of Medicine, Adelaide University and Director of the Freemasons Centre for Male Health and Wellbeing, Adelaide University, Senior Consultant Endocrinologist, Royal Adelaide Hospital, and Senior Principal Research Fellow at the South Australian Health and Medical Research Institute. He is a Fellow of the Australian Academy of Health and Medical Sciences. His research relates to obesity, including appetite regulation, complications, and management. Work on associated chronic disorders in men focuses on their relationship to changes in testosterone, sexual function, lower urinary tract symptoms, depression, and implications for the use of health services. This work, funded by NH&MRC, ARC, NHF, Diabetes Australia, MRFF, and the Freemasons Foundation, has generated over 500 research publications. He is a member of the World Obesity Clinical Committee, the Australian African Men’s Wellness Foundation, and on the Scientific Advisory Committees of Healthy Male and the Ten to Men study.