|Born||13 March 1988 (age 29)
Gauldry, Fife, Scotland
|Years active||2004 - present|
|Teams||KTM, Honda, Yamaha, TM, Kawasaki|
|GP debut||2004 British Grand Prix, Isle of Wight, MX2|
Simpson was born in Gauldry, Fife, Scotland. In 2010, Simpson competed for the KTM factory racing team managed by former world champion Stefan Everts in the F.I.M. MX2-GP World Championships. He finished in 8th place with three podium finishes. For 2011 he signed a contract to race for the Honda LS team and finished the season in fifteenth place. He raced in the 2013 season with Factory TM Ricci Racing using the number 24 jersey. Simpson announced his separation from TM Racing on 24 June 2013. He placed seventh in the 2014 MXGP world championship and, improved to a fourth-place finish in the 2015 season with three moto victories while riding for the HM Plant KTM UK team.
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