 The brothers were all educated at Newington College (1984–1991), and took up rowing coached by Olympian and fellow Old Newingtonian Michael Morgan and deputy headmaster Robert Buntine.In his remarkable representative rowing career, on all six occasions that Geoff Stewart won a world championship or Olympic medal, he was racing with his brother James who won the same medal.Geoff Stewart's senior club rowing was from the UTS Haberfield Rowing Club on Sydney's Iron Cove.