Gary is a New Zealand lawyer advising on commercial rights, marketing, competition law and events management aspects of sport. He works with sports administrators, sponsors, and tournament organising bodies, or teams/athletes directly.

Gary has represented New Zealand Football (soccer) in hosting FIFA tournaments, motorsport clients, major sponsors of the All Blacks (rugby), and advertisers dealing with restrictive ambush marketing laws for Rugby World Cup 2011.

Gary especially enjoys football and motorsport - when spare time permits, he races touring cars at club level. Gary is a partner at New Zealand specialist firm Wilson Harle.