- Professor , Department of Dermatology, Faculty of Medicine & Surgery, University of Santo Tomas (UST), Manila, Philippines
- Chair, PDS Dermatopathology Subspecialty Core Group , 2013-2014
- President , Philippine Dermatological Society (PDS) , 2007-2008
- Chair, Department of Dermatology, Faculty of Medicine & Surgery, UST, 2001- 2006
- Chair, Department of Dermatology, University of Santo Tomas Hospital, 2001- 2010
- Fellowship in Dermatopathology, Boston University School of Medicine, 1990-1991
- Non-Resident Associate Member, American Society of Dermatopathology, 1992- 2010
- International Fellow, American Academy of Dermatology, 1995 to present
- Foundation Fellow, Asian Academy of Dermatology and Venereology, 2009 to present
- Life member, Philippine Medical Association