Member, Council of Safety, Dover, Delaware, 1776-1786
Delaware State Militia company captain, Dover Light Horse Regiment, 1777-1781
Member, Delaware Legislative Council, 1782
State representative, Delaware, 1786
Delegate, Federal Constitutional Convention, 1787
Private practice, Wilmington, Delaware, 1787-1789
U.S. senator from Delaware, 1789-1793
Chief justice, Delaware Court of Common Pleas, 1793-1799
Governor, Delaware, 1799-1801
Planter, Cecil County, Maryland, 1802-1815