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)

 

is the former director of the Berlin Social Science Center. Since 2020 he has been a Senior Fellow at the Democracy Institute of the Central European University in Budapest. His most recent work, entitled Im Zwielicht – Zerbrechlichkeit und Resilienz der Demokratie im 21. Jahrhundert (In the Twilight – On the Fragility and Resilience of Democracy in the Twenty-First Century) was published by Campus Press in September, 2023. 

is Professor Emeritus of Political Science at the University of Dortmund and, until September of 2021, the Editor-in-Chief of the journal Neue Gesellschaft/Frankfurter Hefte. His most recent book, entitled Die Unbelangbaren: Wie politische Journalisten mitregieren, was published by Suhrkamp in 2015.

is a professor of general history at the University of Bielefeld and co-editor of the journal Neue Gesellschaft-Frankfurter Hefte. In 2023 Siedler published her book, Tausend Aufbrüche: Die Deutschen und ihre Demokratie seit den 1980er Jahren (A Thousand New Beginnings: The Germans and their Democracy since the Eighties). Currently, she holds the Theodor Heuss professorship at the New School for Social Research in New York.

is an emeritus professor at the Institute for Political Science at Berlin's Humboldt University nd serves on theadvisory council of Neue Gesellschaft | Frankfurter Hefte.