Christian Edward Johnston Horner OBE (born 16 November 1973)[1] 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 nine world titles (four World Constructors' Championships and five World Drivers' Championships).[2] 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.