Geoffrey Willis (born 23 December 1959) is a British engineer and the Director of Commercial Engineering at the Mercedes Formula One team. He was also the Technical Director of Red Bull Racing team from 2007 to 2009 and Technical Director of Hispania Racing from 2010 to 2011. Willis joined the new Hispania Racing F1 Team in March 2010. In September 2011 he left HRT, reportedly because the team had not assured him of necessary financial backing for designing the car for 2012 Formula One season and joined Mercedes as Technology director on 17 October 2011.