Bachelor of Science in Biology magna cum laude, University Puerto Rico, San Juan, 1979. Master of Science in Biology, University Puerto Rico, San Juan, 1981. Doctor of Philosophy in Zoology/Immunoparasitology, University Georgia, 1987.
Postgraduate, Harvard University, 1991.
Visiting researcher, Duke U. Medical Center, Durham, North Carolina, 1981; research technician, Duke U. Medical Center, Durham, North Carolina, 1982-1983; research assistant, U. P.R., San Juan, 1981-1982; assistant professor department microbiology, U. P.R., San Juan, since 1991; graduate researcher, U. Georgia, Athens, 1983-1987; postdoctoral research fellow, School Public Health Harvard University, Cambridge, Massachusetts, since 1991. Member National Institutes of Health-SUBE training program U. P.R., 1979-1981. Presenter in field.
Member American Association for the Advancement of Science, American Society Tropical Medicine and Hygiene, American Society Parasitologists, American Society Microbiologists, Sigma Xi.