| Donald Tusk | 16 XI 2007 | Now |
| Jarosław Kaczyński | 14 VII 2006 | 16 XI 2007 |
| Kazimierz Marcinkiewicz | 31 X 2005 | 14 VII 2006 |
| Marek Belka | 2 V 2004 | 31 X 2005 |
| Leszek Miler | 19 X 2001 | 2 V 2004 |
| Jerzy Buzek | 31 X 1997 | 19 X 2001 |
| Włodzimierz Cimoszewicz | 7 II 1996 | 31 X 1997 |
| Józef Oleksy | 7 III 1995 | 7 II 1996 |
| Waldemar Pawlak | 26 X 1993 | 6 III 1995 |
| Hanna Suchocka | 11 VII 1992 | 25 X 1993 |
| Waldemar Pawlak | 5 VI 1992 | 10 VII 1992 |
| Jan Olszewski | 6 XII 1991 | 5 VI 1992 |
| Jan Krzysztof Bielecki | 4 I 1991 | 6 XII 1991 |
| Tadeusz Mazowiecki | 24 VIII 1989 | 4 i 1991 |
Prime Ministers