Theo Sommer (10.06.1930 - 22.08.2022) was Dean and Moderator of the Bucerius Summer School on Global Governance from 2001 to 2014. He was Editor-at-Large of the German weekly newspaper DIE ZEIT from 2000 to 2014. From 1973 to 1992, he served as Editor-in-Chief and held the position of publisher from 1992 to 2000. Mr. Sommer headed the Policy Planning Staff of the German Defense Ministry from 1969 to 1970, was responsible for the Defense Ministry’s White Book in 1970, and in his post as Vice-Chairman played a prominent part in the Commission on Common Security and Future of the German Army (Weizsäcker Commission). He was a member of the International Commission on the Balkans (1995-1996) and of the Independent International Commission on Kosovo (1999-2000).