[3] As a track cyclist he won a gold medal at the 2004 Summer Olympics in Athens as a member of the team pursuit (with Bradley McGee, Brett Lancaster, and Luke Roberts) in world record-breaking time of 3:58.233.

At the 2002 Commonwealth Games in Manchester he won two gold medals: for the Team pursuit, and the Scratch Race.

At a hearing before the Court of Arbitration for Sport, cyclist Mark French gave sworn evidence that named Shane Kelly, Sean Eadie, Jobie Dajka, and Graeme Brown as riders who often injected vitamins and supplements in his room.

[4][5] 13 ampoules labelled EquiGen (equine growth hormone, an illegal doping agent), syringes and vitamins had been discovered by cleaners outside French's boarding room at the Australian Institute of Sport.

[5] French's lifetime ban was ultimately overturned on appeal, and Brown himself was never charged with any offense.