Gary commenced as an assistant with John Langmead, Architect in Surry Hills in 1980 preparing architectural documents for clubs, theatres, shops, ambulance stations and residential dwellings. He was employed by McConnel Smith and Johnson Pty Limited for five years working predominantly on hospital developments and then worked for John Royle & Associates for five years in the construction of dwellings before establishing his own private practice as an architect on the South Coast of NSW in 1993.