After his parents' divorce Fournier moved to Hounslow with his mother and attended Ashton House primary and then Isleworth & Syon School.
[citation needed] When living with his mother Fournier "went from having a chauffeur driven car to school every day, to taking the bus.
[citation needed] After being forced to retire from boxing due to a scaphoid injury, Fournier set up his own gym where he acted as "a trainer, PR, and cleaner, all-in-one.
[11] Fournier wrote Red Carpet Workout in 2008 of which he said: "Growing up, I was street-smart but got a D in English, so publishing a book made my mum and my family proud.
"[3] Fournier invested in nightclubs, opening and owning Whisky Mist, The Rose Club, Bonbonniere London and Streaky Gin.
He defeated Manuel Regalado and Pedro Sencion before appearing on the undercard of David Haye-Arnold Gjergjaj on 21 May 2016 at the O2 Arena, London.
[16] Elliot Worsell wrote on website boxingnewsonline.net that "What does appear on Fournier's BoxRec record, however, are details of a failed drug test (for sibutramine), for which he was banned by NADO until December 2020, following a bout with Mustapha Stini in June 2016".
[17] On 18 December 2017, Fournier fought Wilmer Mejia at Casa de los Clubes in Santo Domingo, Dominican Republic in a then professional bout and won via knockout in the 8th round.
[24] On 11 September 2021, Fournier suffered his first loss against his friend and former two-division world champion David Haye in an exhibition bout via unanimous decision on the undercard of Evander Holyfield vs. Vitor Belfort.