Education
From 1991 to 1998 Berger studied philosophy, Roman Catholic theology and German language and literature in Würzburg, Cologne and Dortmund.
From 1991 to 1998 Berger studied philosophy, Roman Catholic theology and German language and literature in Würzburg, Cologne and Dortmund.
Before that time, he worked as a religious education teacher at a high school in Erftstadt, Germany. Until February 2015 he was the editor-in-chief of the gay periodical MÄNNER (Berlin).