2009 Formula One World Championship joined Brawn as a test driver. Force India joined Brawn GP in using the Mercedes engines by signing a five-year deal until 2013, having ended their previous supply contract from Ferrari. The retirement of Red Bull Racing driver David Coulthard led to the appointment of Sebastian Vettel as his replacement, who left the Scuderia Toro Rosso team after a successful previous season including winning the Italian Grand Prix. Toro Rosso, a team designed to develop new Formula One drivers, saw co-owner Gerhard Berger sell his half-stake back to Red Bull, claiming that the new regulations would "leave no room for
Michael Christensen (racing driver) Michael Christensen (racing driver) Michael Klitgaard Christensen (born 28 August 1990) is a Danish Porsche factory racing driver. Born in Karlslunde, Christensen had a very successful karting career, winning the 2004 Nordic ICA Junior Championship. The following year he gathered both Nordic and European titles in ICA Junior class. For 2006 Christensen graduated to Formula A and he achieved a second place in the Formula A World Championship and was champion in the German Kart Championship Winner of the Macau Int. Kart Grand prix Formula A. In 2007 Michael repeated as German Kart Champion and also won the KF1 South