[4] In 1995, Muhlmann participated in the electoral campaign of Lionel Jospin in the 1995 French presidential election.
[5] In 1996, after graduating with a degree in journalism, Muhlmann began working with the American journalist Charlie Rose on the television channel PBS.
[7] From 1998 to 1999, Muhlmann was a project manager in the office of Martine Aubry, who at the time was France's Minister of Labour.
[8] In 2008 she was a host on Paris Première, including the talk show Cactus produced by Emmanuel Chain.
[8][10] Muhlmann has also been one of the main presenters on the France 2 news show On n'est pas couché.