Jenson Alexander Lyons Button is a British Formula One driver currently signed with McLaren-Mercedes. He is famous as the 2009 Formula One World Champion, driving for Brawn GP. Button began karting at the age of eight and progressed to car-racing in the British Formula Ford Championship and the British Formula Three Championship. He first drove in Formula One with Williams in the 2000 season. The following year he switched to Benetton, which in 2002 became Renault, and then for the 2003 season he moved to BAR. For Brawn GP, he went on to win a record-equaling six of the first seven races of the 2009 season, securing the World Drivers' Championship at the Brazilian Grand Prix, having a lead on points all season; his success also helped Brawn GP to secure the World Constructors' Championship. For 2010, he moved to McLaren, partnering with fellow British racer and former World Champion Lewis Hamilton. After finishing fifth for the team in 2010, Button finished the 2011 season as runner-up.