Con graduated from Monash University in 1992 and became a resident doctor at Dandenong Hospital for two years. His work there included General Medicine, Surgery, Orthopaedics and Emergency Medicine. He is a Fellow of the Royal Australian College of General Practitioners.

He has also worked extensively in Sports Medicine Centres since 1994 and he was Medical Officer with the VFA Oakleigh Football Club for two years. He has been Medical Officer for the Kangaroos Football Club at the AFL since 1995.