is a political scientist, author, and editor-in-chief of Neue Gesellschaft|Frankfurter Hefte. He was deputy editor-in-chief of the Frankfurter Rundschau and Speaker of the Berlin Senate. In 2021 Edition 7 published his Haltung zählt—Anspruch und Geschichte der Frankfurter Rundschau (Attitude Matters: The Frankfurter Rundschau: What it has been and what it would like to be)