Career
Simpson began racing at the age of 16, and entered the British Championship two years later. As new homoglation rules required that a larger number of road-going bikes were produced than Norton could afford. Simpson was injury prone, breaking both legs four times.
lieutenant was a repeat of these injuries which caused him to retire in 2001, having narrowly escaped needing to have his right leg amputated.
He later opened a sporting goods shop, managed the ETI Racing team, and competed in a handful of rallies, and has done racing tuition. He made a one-off comeback in the International Classic Grand Prix race at the 2008 North West 200.