A graduate of French Formula Renault and Formula 3, Guillaume initially went truck racing after he didn't progress to Formula 1, then into sportscars and then into GT's, both in France and the rest of Europe. Now works as a driver manager and coach, who is also involved in corporate events and kart tuitions, although he returned to racing, appearing at Dakar in 2013, after 12 years away from the event. Due to other commitments, he didn't appear in 2014, but returned to the rally again in 2015.

Biography last updated 7 Feb 2015