Former Professor and Chair, Department of Cell Biology and Molecular Genetics (Microbiology), University of Maryland; Adjunct Professor, Department of Epidemiology and Preventive Medicine, UMB; and Former Director, Infectious Diseases Program, Naval Medical Research and Development Command, National Naval Medical Center, Bethesda, MD. More than 120 refereed publications and 15 books and chapters. Member of Sigma Xi; Elected Fellow, American Academy of Microbiology; Fellow, American Association for the Advancement of Science. Extensive contract and grant work with FDA, Naval Medical Research and Development Command; Agency for International Development; Agricultural Experiment Station; USDA; Maryland Department of the Environment.
Ph.D., Microbiology, St. John's University M.S., Microbiology, St. John's University B.S.A., Bacteriology and Chemistry, University of Florida- Gainesville