Born and raised in Kent, Mitchell started his karting career from the age of eight and after great success, he moved into racing cars at fourteen.
Jack competed in the Junior Ford Fiestas becoming Vice Champion, before moving up to Ginetta Juniors, where he was crowned Champion at sixteen.
With his reputation growing as fast as his racing, Jack was quickly on the radar of teams in the British GT. Eventually, Jack signed for MacMillan for the 2016 GT4 season. It was an impressive debut season, picking up 4 podium finishes.
These results, combined with as well as Jacks obvious speed and desire was enough to impress the hierarchy at MacMillian Racing and at only 19, Jack was promoted to the MacMillian GT3 seat for the 2017 season. Where he Impressed not his own team but also the AMR factory squad at the same time.
In the British GT Championship, Jack has already made his mark by winning the prestigious Silverstone 500!