 Kolles, who lives in Ingolstadt, is qualified as a dentist which was the family business.In 2000 he entered racing by establishing a team now known as ByKolles Racing with his father Romulus in the German Formula Three Championship, and later in the Formula Three Euroseries.He was appointed as Managing Director of the Jordan Grand Prix team by its new owner, Alex Shnaider, on 19 January 2005.