Commissioner, Commission on Elections (COMELEC), 2001-2008; Chairman, Committee on Overseas Absentee Voting Corporation, 2003-2008. Assistant Professorial Lecturer, University of Sto. Tomas (UST), Faculty of Civil Law, 2007-2008. Executive Judge, Regional Trial Court of Makati City, 2000-2001. Presiding Judge, Regional Trial Court Branch 139, Makati City, 1995-2001. First Senior Vice President and Chief Legal Counsel, Development Bank of the Philippines, 1990-1994. Director, DBP Management Director, Capitol Development Bank. Director and Corporate Secretary, Telecommunications Industries and Services, Inc. Director, Phoenix Iron Steel Corporation. Partner, Cruz Durian Agabin Atienza Alday & Tuason, 1984-1990. Senior Associate, Cruz Durian Agabin Atienza and Alday, 1975-1984.