German motorcycle racer who began riding his Yamaha R6 in the World Supersport Championship series. His first world title came in the Moto3 class in 2012, while his second arrived at the Supersport World Championship in 2018.
He was a European pocket bike champ in his youth.
His 125cc World Championship debut came in 2005 with Kiefer-Bos-Castrol Honda.
His mother is German and his father is Italian.
He became a teammate of racer Marc Marquez in 2010.