Leader was a two-time NBL champion as a player and won multiple championships as a coach at the state league level.
[2] Leader moved to Australia in 1982 to play for the Ulverstone Redhoppers in the North West Basketball Union in Tasmania.
He made his National Basketball League (NBL) debut with the Devonport Warriors in 1983 and averaged 22.1 points and 10.5 rebounds in his first season.
[3] After the demise of the Warriors,[3] Leader joined the West Adelaide Bearcats in the SA State League and was set to play for the Bearcats NBL team as well but after the team merged with the Adelaide 36ers for the 1985 NBL season, he missed out on a roster spot to Mark Davis.
[1][5] Between 1997 and 2000, Leader served as head coach of the Ballarat Miners in the South East Australian Basketball League (SEABL).