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