1970-

Position: Columbia, MD

Position: Leeds, UK

Position: Infectious Disease, University of Texas - Houston, Houston, TX

Position: Washington University School of Medicine/St. Louis Children’s Hospital, St. Louis, MO

Position: Ophthalmology, Columbia, MO

Position: Brisbane, Australia

Position: Division Director, Massachusetts General Hospital and
Harvard University, Boston, MA

Position: Pediatrics Department Chair / Springfield, IL

Position: Jerusalem, Isreal