The Pirelli World Challenge, as the second major GT Racing series in the United States, has attracted six Audi drivers this year.
In North America, Audi, with currently five R8 LMS cars in the field, not only has a strong presence in the Tudor United SportsCar Championship.
Alongside the Californian, Andrew Palmer (USA), Bret Curtis (USA) and Bill Ziegler (USA) will be competing for Team GMG.
For the season opener at St. Petersburg on March 30, two other Audi privateer drivers, Jeff Courtney (JCR Motorsports) and Elton Julian (DragonSpeed), have announced their participation.
For the second round of the season held at Long Beach two weeks later six Audi drivers have submitted their nominations to date.