He played with the Brisbane Bullets, Geelong Supercats, Sydney Kings, South Dragons and Gold Coast Blaze.

With Near East, he played in Europe's third-tier level FIBA Korać Cup, in the 1999–00 season, in which he averaged 15.2 points and 2.3 assists per game.

[8] He then played with the Greek club Makedonikos, where he averaged 15.8 points, 2.9 rebounds and 4.0 assists per game in Europe's second-tier level EuroCup's 2003–04 season.

Heal's international career highlights include representing the Australian Boomers at the 1992, 1996, 2000 and 2004 editions of the Summer Olympic Games.

The game, played at the Delta Center in Salt Lake City, was won 118–77 by the US, though Heal topped all scorers with 28 points including hitting 8 of 12 three pointers.

On 3 March 2006, it was reported in Melbourne's Herald Sun newspaper that Heal was considering coming out of retirement to captain the South Dragons, a new Melbourne-based NBL franchise to enter the league in the 2006–07 season.

[13][14] Heal took the club to the NBL playoffs in their first season, but then the team won just four of 26 games in 2007–08, including defeats in their last straight 13 matches.

[23] In March 2015, Heal was named the inaugural head coach of the South East Queensland Stars[24] on a three-year deal.