Private practice, St. Genevieve, Louisiana Territory and Kaskaskia, Illinois Territory, 1804-1809
Secretary, Illinois Territory, 1809-1816
Acting governor, Illinois Territory, 1809
Illinois Territorial Militia officer, 1812
Delegate to U.S. House of Representatives from Illinois Territory, 1816-1818
Register, U.S. Land Office, Edwardsville, Illinois, 1818-1819