• since 1976: Lecturer at the Warsaw Agricultural University • 1994-1998: Director of the Foundation of Assistance Programmes for Agriculture (FAPA) • 1971-1977: Chairman of the Council of the University Union of Polish Students • 1981-1982: Head of the Chief Organising Section of the United Peasants' Party (ZSL) • 1999-2002: Secretary to the Chief Executive Committee of the Polish Peasants' Party (PSL) • 1986-1990: Regional councillor on the National Warsaw-Mokotów Council • 2001-2003:
Secretary of State in the Ministry of Agriculture and Rural Development • 1997-2004: Member of Parliament of the Polish Republic • 1997-2001: Vice-Chairman of the Economic Committee • 2003-2004: Observer to the EP • since 1978: Active member of the Association of Engineers and Agricultural Technicians (since 1977) and of the Polish Economic Society ==Decorations==