 Maniatis started promoting boxing events in 1998 and had a contract with Sky Channel Fox Sports television to promote his boxing events nationally in Australia.He linked up with all the best trainers and managers in Australia, including Jeff Fenech, to put Australia's finest boxers on his promotion fight cards and is the current manager of WBA World Champion Light Flyweight Randy Petalcorin.Maniatis promoted the comeback Fight of Danny Green at Hisense Arena Melbourne on 19 August 2015

Maniatis has traveled all over the world with boxing and maintains a base in Los Angeles, California, United States where he trained at the Gym of Hall of Fame Trainer Freddy Roach the Wild Card Gymnasium in West Hollywood.