促进中国和世界的可持续发展
欧盟驻世界贸易组织大使
1973 -.1974 Post-doctoral Fellow at the Michigan State University, East-Lansing, U.S.A.
1974 - 1979 Ministry of Agriculture in Bonn
1979 - 1984 European Commission - Member of the Cabinet of Vice-President Haferkamp
1985 - 1990 Directorate-General for External Relations Division Agriculture and Fisheries
1990 - 1993 Directorate-General for External Relations Head of Unit Agriculture and Fisheries
1993 - 1995 Directorate-General for External Relations Head of Unit Relations with the United States of America
1995 - 1999 Directorate-General for the Budgets Director of Expenditure
1999 - 2002 Head of Cabinet of Commissioner Michaele Schreyer
2002 - 2006 Secretariat General Deputy Secretary General
Since 2007 Permanent Representative of the European Commission to the International Organisations in Geneva, Geneva Delegation