Dr McMahon is an Infectious Diseases physician and Head of Clinical Research at the Alfred Hospital, an Infectious Diseases physician at Monash Medical Centre and Chairs the ASHM ARV Guidelines Committee. His main research interests are in the field of HIV Cure including clinical trials to image tissue sites of persistent HIV and clinical trials of interventions to target the HIV reservoir.

Cipriano Martinez has been actively engaged in the Australian HIV response since his 1993 HIV diagnosis. In 1996 he was part of establishing a support group for young HIV positive gay men and in the same year was elected Treasurer and Board member to People Living with HIV Western Australia. His passion for HIV prevention and peer support guided a long-term collaboration with the National Association of People Living with HIV Australia (NAPWHA, where he is currently President), the WA AIDS Council and the Australian Federation of AIDS Organisations amongst other Australian HIV sector agencies.