Student Political Science, Law, Chicago University, 1954. Doctor of Laws, U.Bonn, Germany, 1957. Student Political Science, Law, University Liège, Belgium, 1958.
Vice-consul German Consulate, Los Angeles, 1964-1965. Secretary German embassies Brazzaville, Congo and Bangui, Central African Republic, 1966-1969. Officer outer space policies economic department Foreign Office, Bonn, 1970-1973.
Counsellor, German permanent representative United Nations, New York City, 1973-1977, chairman 3d committee, 31st General Assembly. Head division European Commission policies economic department Foreign Office, Bonn, 1977-1983. Minister economics Embassy of Federal Republic of Germany, Washington, 1984-1988.
Head directorate East-West economic relations, trade promotion, export controls economic department Foreign Office, Bonn, 1988-1989, head directorate European community affairs, deputy director general economic department, 1989-1993. Ambassador, permanent representative of Germany to European Union, Brussels, 1993-1999. Retired, 1999
Board directors AGFA-Gevaert Company, Antwerpen, Belgium, 2000-2005.
Political commentator, newspapers and television. Advisor European Union issues.
Son of Jobst-Willrich von K. and Helga Ruth Matthias. Married Elisabeth Berner, 1964. Children: Felicitas, Benita.