Christian Horner (born 16 November 1973) is a British former racing driver and current Team Principal of the Red Bull Formula One team, a position he has held since 2005, winning thirteen world titles (six World Constructors' Championships and seven World Drivers' Championships). His motorsport career started as a racing car driver, before he switched roles to become head of International Formula 3000 team Arden International Motorsport in 1999.