Callum Paul Johnson (born 20 August 1985) is a former British professional boxer who challenged once for the IBF light-heavyweight title in 2018. At regional level, he held the Commonwealth light-heavyweight title from 2016 to 2018 and the British light-heavyweight title in 2018. As an amateur, he won a gold medal whilst representing Scotland at the 2010 Commonwealth Games in Delhi. Amateur career Callum began boxing at a local club in his home town of Boston from an early age but moved to train at Terry Allen Unique ABC in Lincoln by the time he was sixteen. He fought 40 times in international contests. In total Johnson boxed on 120 occasions as an amateur winning 95. Despite being English and living in Lincolnshire, Johnson boxed for Scotland for six years qualifying by way of his Grandmother who came from Springburn in Glasgow. For the 2010 Commonwealth Games in Delhi he was made the captain of the Scottish boxing squad. Commonwealth Games Johnson was part of the Scotland team to compete at the 2010 Commonwealth Games in Delhi. Picked at the 81kg Light heavyweight category Johnson fought his way to the final beating the likes of Krystian Borucki of the Isle of Man in his first bout, defeating British number one Obed Mbwakongo representing England 6–2 in the quarter finals and stopping Jermaine Asare of Wales in the semi's. In the final he claimed the gold medal with an 8–1 win over Northern Ireland's Thomas McCarthy. Speaking of his win Johnson said that he needed to keep his concentration following the attempts of his teammate Steve Simmons trying to play the Flower of Scotland on a Vuvuzela during the last 3 minutes of the fight. He said "I could hear Stevie, and, to be honest, in the last round I nearly started singing it myself...It was in my head - I was singing it in my head in the last 30 seconds. But you've got to keep focused, because it only takes one shot in this game." Professional career Early career After the Commonwealth Games Johnson made the decision to turn professional signing with promoter Frank Warren and being managed by former world champion Prince Naseem Hamed. Speaking of signing professional forms Johnson said "It's fantastic to turn professional under Frank Warren who is the man to guide me to achieve my dream, to become world champion." The decision to join