Ottawa Health Research Institute Professor, Departments of Obstetrics & Gynecology and Biochemistry, Microbiology & Immunology, University of Ottawa. Research Interests: Fertilization, sperm-egg interaction, sperm capacitation, sperm membranes, epididymis, vaginal and cervical epithelial cells, sulfoglycolipids, lipidomics, lipid rafts, proteomics, glycolipid-protein interaction, antimicrobial peptides, HIV-1, proprotein convertase, contraceptive development, biomarkers for sperm functions, reproductive toxicology, reproductive aging.