Born in Augsburg in 1971, Baier studied at Bremen University from 1991 to 1995, followed by Graphic Design at the Bremen University of Fine Arts from 1995 to 2002. She works on personal artistic projects, as well as on assignment for magazines, institutions, agencies and clients. She has received numerous grants and awards. She has been a member of the international photography collective UP Photographers, since 2019, and lives in Berlin.