Alberto Contador Velasco (born 6 December 1982) is a Spanish professional cyclist, one of five riders to have won all three Grand Tours of road cycling. He was the winner of the 2007 Tour de France with the Discovery Channel team. With the Astana team he has won the 2008 Giro d'Italia, the 2008 Vuelta a España and the 2009 Tour de France. He initially also won the 2010 Tour de France with this team, and the 2011 Giro d'Italia with team Saxo Bank-SunGard, only to be stripped of these titles later having been found guilty of a doping offence. Following his return from a suspension, he won the 2012 Vuelta a España.