Department of Labor and Human Resources, Commonwealth of Puerto Rico, 1980-1982; legal investigator, 1980-1981; director of research and investigations, 1981-1982
Assistant federal public defender, District of Puerto Rico, 1982-1993; first assistant federal public defender, 1988-1993; acting federal public defender, 1991
Adjunct professor, Pontifical Catholic University of Puerto Rico School of Law, 2003-2004
U.S. Magistrate Judge, U.S. District Court, District of Puerto Rico, 1993-2006