He served in the successive cabinets of Tadeusz Mazowiecki, Jan Krzysztof Bielecki, Jan Olszewski and Hanna Suchocka and was the first Minister of Foreign Affairs of the Third Republic of Poland.
He served in the successive cabinets of Tadeusz Mazowiecki. He served in the successive cabinets of Jan Krzysztof Bielecki. He served in the successive cabinets of Jan Olszewski. He served in the successive cabinets of Hanna Suchocka. He was the first Minister of Foreign Affairs of the Third Republic of Poland.