Description: Dorsey delivers some of his best training drills that will help you execute your boxing technique with more power and precision. World Champion Troy Dorsey is a 7th Degree Black Belt in Tae Kwon Do. He has studied martial arts and boxing for nearly 30 years. He won the Kickboxing World Title in 1987 and 1989. In 1991 he won the World Boxing IBF title. Troy Dorsey, who retired from fighting in 1998, is considered one of the best all around fighters in the world.