Greg is one of the most experienced trial advocates at the Queensland Bar, having appeared in hundreds of jury trials since being admitted in 1986.

His practice continues to encompass all aspects of the criminal law, currently with particular focus being on cases involving young men charged with sexual offences as well as domestic violence related matters. He also practises in associated regulatory work in the health field.

He is a past member of the Police Misconduct Tribunal and the Queensland Board of the Medical Board of Australia and maintains an active interest in rugby league through both the QRL and Rugby League Brisbane judiciary and disciplinary tribunals.