U.S. Army sergeant, 1943-1946
U.S. Army captain, 1951-1957
Assistant U.S. attorney, District of Puerto Rico, 1961-1966
Judge, Puerto Rico Superior Court, 1966-1969
Assistant secretary of justice/solicitor general, Commonwealth of Puerto Rico, 1969-1972
Assistant attorney general for antitrust, Commonwealth of Puerto Rico, 1970-1972
Chairman, Puerto Rico Elections Board, 1972
Private practice, Puerto Rico, 1973-1980