Ecclesiastical Faculties

• Professor, Letran College, Calamba City, 1983-1985
• Dean of Student Affairs, Letran College, Calamba City, 1983-1985
• Principal/Director, Letran de Davao High School, Tagum, Davao Province 1986-1991
• Principal/Director, Letran de Davao High School, Maco, Davao Province, 1988-1991
• Superintendent of Catholic Schools, Diocese of Tagum, Davao Province1986-1991
• Professor of Philosophy(Logic, Ethics and Metaphysics), Queen of Apostles College Seminary, Tagum, Davao Province, 1986-1991 
• Associate Pastor, Perpetual Help Parish, Maco, Davao Province, 1986-1991
• Columnist, Davao Observer Weekly News, Tagum, Davao 1987-1991
• Chief Chaplain, Sto. Tomas University Hospital, UST Manila 1991-1997
• Comptroller, Sto. Tomas University Hospital, UST Manila 1994-1996
• Chief Executive Officer (CEO), Sto. Tomas University Hospital, UST Manila 1996-1998
• Professor, UST, Faculty of Theology, Manila, 1998-2005
• Professor, UST, Faculty of Philosophy, Manila 1999-2004
• Professor, UST, Faculty of Medicine and Surgery, Manila 1991-present
• Professor, Sisters’ Institute for Theological Formation 1997-2002
• Professor, UST Graduate School, Manila 1994-present
• Professor, Recoletos Formation Center, QC 2004-2007, 2011-2012
• Professor, Bioethics, Makati Medical Center, 2020-present
• Regent, UST Faculty of Medicine and Surgery, Manila 1999-2006
• Member, Bioethics Department, UST Faculty of Medicine and Surgery 1991-present
• Lecturer, Various topics on Bioethics and Professionalism 1995-present
• Conventual Lector, Sto. Domingo Priory. QC2 010-present
• Councilor, Sto. Domingo Priory, QC 2009-present

Membership in Professional Organizations

• Chair, Bishop Businessmen’s Conference, Health Committee, Manila 2000-2004
• Ecclesiastical Adviser, Catholic Physicians Guild of the Philippines, Manila 1999-2005
• EcclesiasticalAdviser, Catholic Nurses Guild of the Philippines, Manila 2003-2006
• Member, Ethics Committee, Quirino Memorial Medical Center, QC, 2004-2012
• Member, Integrity Development Committee, Quirino Memorial Medical Center, QC, 2008-2012
• Philippine Navy (MarineReservist): 2005
• Chief Chaplain, 3rdTechnical Services Battalion, Philippine Navy (M) (Reserve) Marine, Serial No.:ML-A05-038787AFPRESCOM, Camp Aguinaldo, QC, 2006-present
• Prior/Superior, Our Lady of Manaoag Shrine and Convent, 2012-2015
• Rector, Minor Basilica of Our Lady of Manaoag, 2012-2015
• President, Letran College –Manaoag, 2012-2015
• Member, UNESCO International Forum of Teachers (IFT), 2020-present
• Chair,Bioethics Committee, Cardinal Santos Medical Center, Greenhills, San Juan, Metro-Manila, 2017-present
• Host, GNN Cable Network, “Medical Dilemma” Makati City 2015-2017
• Commentator, Radio Manaoag, 2013-2016
• TV Host, ZNN News Network, Makati City 2017-2018

Community Outreach

• Consultancy, Sto. Domingo Parish and Convent, Spiritual Direction and Bioethics Consult
• Member, Bioethics Committee, Quirino Memorial Medical Center, QC
• Member, Organ Transplantation Committee, Quirino Memorial Medical Center, QC
• Chair, Scholarship Fund Grants for high school and college students, Oas, Albay Province
• Consultant, Bioethics Committee, Marikina Valley Medical Center
• Chair, Bioethics Committee, Cardinal Santos Medical Center, Metro Manila
• Consultant, Ethics Committee, Makati Medical Center, Makati
• Consultant, Ethics Committee, Perpetual Help MedicalCenter-Binan
• Crafter of Ethical Guidelines in Medical Practice in Various Hospitals