Specialties: Occupational and Environmental Medicine and Toxicology Education: BA University of Michigan, 1976; MD, University of Michigan, 1979; Masters in Public Health, University of California, Berkeley, 1982. Certification: Diplomate, American Board of Preventive Medicine in Occupational Medicine; Diplomate, American Board of Internal Medicine. Professional Affiliation: Clinical Professor and Assistant Chief, Division of Occupational & Environmental Medicine, University of California, San Francisco; American Academy of Clinical Toxicology. Publications: Co-author, "Chemical Hazards of the Workplace", Van Nostrand Reinhold, 1991, among others. Prior Expert: Expert in over 100 cases, including toxic tort and commercial litigation involving chemical, physical, and biological hazards.