Heath entered bodybuilding in 2002. In 2005, he won the overall title at the NPC (National Physique Committee) USA Championships, earning the right to compete as an IFBB Pro. He won his first two IFBB professional events the following year: The Colorado Pro Championships and The New York Pro Championship. In 2007, Heath placed fifth at the Arnold Classic. Although he still qualified to compete in the 2007 Mr. Olympia contest, Heath, nevertheless, decided not to enter the contest, stating that he needed additional time to improve his form.