-Full Professor V, Academic Researcher and Editor, Faculty of Medicine & Surgery - Neurosciences and Research Center for Health Sciences,The Pontifical and Royale University of Santo Tomas, Manila (Philippines)

-Chairman, Dept. of Neuroscience and Brain Health  and Head, Center for Nerodiagnostic & Therapeutic Services of Metropolitan Medical Center, Manila (Philippines)

-Board Member, International Neurotoxin Association (INA) 

-Former Chairman, International Parkinson's & Movement Disorders Society (Asian & Oceanian Section)

-Former President:, AOMC, PNA,  PSNR and MDSP

-Active Staff, Clinical Neurophysiology & Movement Disorders, Institute for Neurosciences, St. Luke's Medical Center, Quezon City (Philippines)