Tanja M. Ringewaldt graduated as a bookseller in 1991. He specialized booksellers school in Frankfurt in 1994. After finishing his studies he obtained a scholarship from the Bertelsmann Foundation and thus had the opportunity to work a few months in the Library Herder in Barcelona. Back in Germany was responsible for managing the Walsrode Buchhandlung Heine. He currently works as a trainer in the Libraries Gandhi in the city of Mexico. "