 Before the 2005 Turkish Grand Prix, he was forced to perform dental surgery on his driver Tiago Monteiro, who was suffering from toothache that was severe enough to potentially keep him out of the race.He also performed a similar procedure on Midland's other driver Christijan Albers at the 2006 French Grand Prix.In November 2008, it was announced that Force India chairman Vijay Mallya was to take over the role of Team Principal for , leaving Kolles without a major role in the team.