I started working in prehistoric archaeology in 1977 at the National Museum of the Philippines and received formal academic training in Archaeology at the University of Pennsylvania specialized in Archaeometallurgy. I was the founding Director of the Archaeological Studies Program, University of the Philippines, Diliman in 1995. To date, as a Scientist III, I am coordinating, participating and conducting archaeological researches in Palaeolithic, Neolithic, the Metal Age, Protohistory, Underwater and Maritime archaeology.