Dr Chris McMahon is a Sexual Health Physician and Fellow of the Royal Australian College of Physician’s Chapter of Sexual Medicine. Dr McMahon is the Immediate Past President, International Society for Sexual Medicine (ISSM) and the Director of the Australian Centre for Sexual Health, Sydney NSW Dr McMahon is a committee chairman for the WHO Second and Third International Consultation on Erectile and Sexual Dysfunction and a chairman of the International Society of Sexual Medicine (ISSM) medical and research standards committee. He is an Associate Editor of the Journal of Sexual Medicine, an associate section editor of the British Journal of Urology and a member of the editorial board of the International Journal of Sexual Health, Current Sexual Health Reports and the Journal of Men’s Health. He has been invited to lecture on sexual medicine worldwide and has published extensively on sexual health. He has published over 60 original research and invited review articles in peer reviewed international medical journals, and 13 books or book chapters.