Elected Marshal of the Sejm of the Polish-Lithuanian Commonwealth in 1788, he worked closely with other leaders of the Patriotic Party, including Ignacy Potocki and Hugo Kołłątaj, the latter of whom addressed him in "Several Anonymous Letters to S.M." (1788).
Elected Marshal of the Great Sejm of the Polish-Lithuanian Commonwealth that begun in 1788, he was one of the leaders of the Patriotic Party. He worked together with other leaders of the party, including Ignacy Potocki and Hugo Kołłątaj, the latter of whom addressed him in "Several Anonymous Letters to S.M." (1788).