Private practice, Philadelphia, Pennsylvania, 1817-1824, 1836-1845
State representative, Pennsylvania, 1824-1825
Attorney/board member, Chesapeake and Delaware Canal Company, 1825-
City solicitor, Philadelphia, Pennsylvania, 1828-1830, 1832
U.S. commissioner to settle claims with France, 1832-1836
Attorney general, Commonwealth of Pennsylvania, 1845-1846