He currently competes in the MotoGP class , riding for Ducati .
He is the 2006 and 2007 250cc World Champion , and the 2010 , 2012 and 2015 MotoGP World Champion .
He currently competes in the MotoGP World Champion class , riding for Ducati .
He is the 2006 and 2007 250cc World Champion , and the 2010 , 2012 and 2015 MotoGP World Champion .