Private practice, Talbot County, Maryland, 1783-1788
State delegate, Maryland, 1788-1790
State senator, Maryland, 1791-1793
Private practice, Philadelphia, Pennsylvania, 1794-1801, 1802-1805
President judge, Pennsylvania Court of Common Pleas, First Judicial District, 1805
Judge, Pennsylvania High Court of Errors and Appeals, -1806
Chief justice, Supreme Court of Pennsylvania, 1806-1827