Amongst others he won 2004 the Southern German ADAC Kart Cup – ICA Junior.

He concluded the season behind his teammates Philipp Eng and Kevin Mirocha on the tenth position in the championship.

In 2009 Pommer started in the German Formula Three Championship for Zettl Sportsline Motorsport.

[5] The round at Norisring heralded further success, as Pommer and Hauser took another victory to extend their advantage.

[6] At the penultimate round in Assen, the duo won on Saturday, with Pommer having taken pole position and set the fastest lap, before a second place on Sunday ended up being enough to prematurely clinch the title.

[7][8] The season ended with one further win at the Nürburgring, as Pommer repeated his qualifying performance from the previous round.