Constanze Stelzenmüller has been senior transatlantic fellow with the German Marshall Fund of the United States in Berlin since 2009. From 1994 until 2005, Dr Stelzenmüller was editor in the political section of the Hamburg weekly DieZeit. From 1998 onwards, she was defense and international security editor; previously, she covered human rights issues, humanitarian crises in Africa and the Balkans, as well as international criminal tribunals. From 1988-1989, she was a visiting researcher at Harvard Law School. She was a GMF Campus Fellow at Grinnell College in Iowa, a Woodrow
Wilson Center Public Policy Scholar in Washington, DC, and a member of the Remarque Forum. Essays and articles by her have appeared as GMF publications, as well asin Foreign Affairs, Internationale Politik, the Financial Times, the International Herald Tribune and Süddeutsche Zeitung.
She is a regular guest in American and European TV and radioshows, e.g. in Presseclub (ARD), National Public Radio and the BBC. Stelzenmüller chairs the academic advisory board of the German Foundation on Peace Research (DSF). She is chairwoman of the German section of Women in International
Security, WIIS.de. She is a member of the advisory board of the Protestant Academy of Berlin-Brandenburg, and a governor of the Ditchley Foundation.