1954 | -58 Read Law in Bonn and Berlin |
1958 | First State Law Examination |
1959 | -64 Legal Training in Duesseldorf |
1964 | Second State Law Examination, LLD |
| -65 Lawyer at Duesseldorf District Court |
1965 | -67 Foreign Service Training in Sao Paulo, Brazil and Bonn, Germany |
1967 | -68 Federal Foreign Office, Bonn |
1968 | -72 Consulate General, Hong Kong |
1972 | -75 Embassy, Belgrade, Yugoslavia |
1975 | -79 Embassy, Beijing, China |
1979 | -83 Federal Foreign Office, Bonn, Deputy Head of Section, Political Directorate General |
1983 | -84 Fellow, Center for International Affairs, Harvard University, Cambridge, Mass., USA |
1984 | -86 Ambassador, Hanoi, Vietnam |
1986 | -91 Federal Foreign Office, Bonn, Head of Section, Political Directorate General |
1991 | Head of German contingent, European Community Monitor Mission, Zagreb, Croatia |
| -92 Ambassador at Large, Conference on Yugoslavia, The Hague, Netherlands |
1992 | -96 Ambassador at Large, International Conference on the Former Yugoslavia, Geneva, Switzerland |
1996 | Federal Foreign Office, Bonn, Director for Asian Affairs, Political Directorate General |
| -99 Ambassador, Santafe de Bogota, Colombia |
1999 | Special Envoy of the European Presidency to the Former Yugoslav Republic of Macedonia |
1999-2002 | OSCE Presence in Albania, Head of Presence |
2002 | -03 Fellow, Woodrow Wilson International Center for Scholars, Washington D.C., USA |
2003 | Senior Fellow, Center for European Integration Studies, Bonn, Germany |