Gary Wittert is Professor of Medicine and Director of the Freemasons Centre for Male Health and Wellbeing, University of Adelaide and South Australian Health and Medical Research Institute (SAHMRI), Senior Consultant Endocrinologist Royal Adelaide Hospital, and Senior Principal Research Fellow at SAHMRI. 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 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 has over 460 research publications. He is Editor in Chief of the Journal Obesity Research and Clinical Practice, a member of the World Obesity Clinical Committee and on the Scientific Advisory Committees of Healthy Male and the Ten to Men study.