 Johnson was raised in Kitchener, Ontario, Canada with his three brothers, Greg, Wayne, and Kevin, and 2 sisters, Angelina, and Necoal.Johnson trained IBF Junior Featherweight World Champion, Steve "The Canadian Kid" Molitor, in addition to notable boxers such as Andrew Singh Kooner, and Natalie "Too Bad" Brown.In 2014, the "Toronto Star" profiled Michael Brandon, one of his boxers.