From 2001, she has been a member of its Management Board, and in early 2010, following the team's return to independent status following the withdrawal of former partner BMW, she was appointed CEO of Sauber Motorsport AG.
С 2001 года она стала членом правления, а в начале 2010 года, после ухода бывшего партнёра BMW, Кальтенборн была назначена исполнительным директором "Sauber Motorsport AG".