He was appointed as Managing Director of the Jordan Grand Prix team by its new owner, Alex Shnaider, on 19 January 2005.

[2] Despite receiving some criticism in 2005 for his "hard-headed" approach, Kolles kept his position as Managing Director of the team, presiding over the launch of the Midland M16 chassis before the 2006 season began.

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.

[4] He also performed a similar procedure on Midland's other driver Christijan Albers at the 2006 French Grand Prix.

[5] Kolles returned to Kodewa in 2009 where he fielded a pair of ex-works Audi R10s for sportscar stalwart Michael Krumm, Charles Zwolsman Jr, ex-single seater drivers Andrew Meyrick and Christian Bakkerud, and sometime Formula One drivers Christijan Albers and Narain Karthikeyan in the Le Mans Series and 24 Hours of Le Mans.