He received his PhD from the University of Maryland in 1996 and served as a Postdoctoral fellow at the USUHS-Naval Medical Center and the National Cancer Institute/National Institutes of Health. His laboratory's research investigates how host-pathogen interactions contribute to retroviral (HIV/HTLV) pathogenesis and virus-induced cancers. The long-term goals of this research are to identify novel molecular targets for antiviral therapy, and to elucidate biomarkers of infectious diseases.