Career
After school Grumbach worked as a journalist. Grumbach wrote as journalist articles for different German newspapers (such as Die Zeit, Die Woche, Deutsches Allgemeines Sonntagsblatt, Süddeutsche Zeitung, Hannoversche Allgemeine, Frankfurter Rundschau, Berliner Zeitung and taz). Grumbach wrote radio features over Martin Dannecker, Lion Feuchtwanger, Christian Dietrich Grabbe, Christian Geissler, Hermann Kesten, Richard Plant, Uwe Timm and Feridun Zaimoglu.
As author Grumbach wrote several books
He lives in Hamburg.
