Walery Jan Sławek was a Polish politician, freemason, military officer and activist, who in the early 1930s served three times as Prime Minister of Poland. He was one of the closest aides of Polish leader, Józef Piłsudski.
- Occupation
- military officer, politician, head of government
- Position held
- Prime Minister of Poland, Marshal of the Sejm, Prime Minister of Poland, Prime Minister of Poland
- Citizenship
- Russian Empire, Second Polish Republic
- Born
- November 2, 1879
- Died
- April 3, 1939