- Born on 4 July 1926 in Warsaw (PL), died on 5 March 2017 in Neuilly-sur-Seine (F)

- Nationality: French

- Head of External Relations at the International Secretariat of the European Movement; Secretary-General of the European Assembly of Political Youth (1952‒1958)

- Deputy Director in the Private Office of Sicco Mansholt, Vice-President of the European Commission responsible for the common agricultural policy (1958‒1959)

- Head of Division responsible for relations with agricultural, industrial and food trade organisations as well as with the trade union sector in the Directorate-General for Agriculture of the European Commission (1959‒1968)

- Head of Division responsible for the policy to modernise agricultural structures as well as for direct aid for agriculture in less-favoured and mountain areas in the Directorate-General for Agriculture of the European Commission (1968‒1977)

- Director responsible for coordinating national policies, studies and analyses in the Directorate-General for Regional Policy (1977‒1988)

- Director responsible for the formulation and implementation of regional policies and the negotiations on reform of the Structural Funds in the Directorate-General for Regional Policy (1989‒1991)

- Honorary Director-General of the European Commission (1991-2017)

- Special adviser to the European Commission on Regional Policy reform and adviser to four Polish Prime Ministers on European Affairs (1993‒2001)