Dr. Robert Kosnik is a certified occupational medicine specialist in both the U.S. and Canada. In Canada, his practice provided professional services for more than 20 years to a variety of industry sectors, including health care. At UCSF, Kosnik provides leadership to Occupational Health Services with a focus on maintaining the health of the staff and preventing the transmission of communicable diseases in the UCSF Medical Center and the research laboratories.

Kosnik has contributed to professional associations as a past president of the Occupational and Environmental Association of Canada, a past chair of the examination committee for the Royal College of Physicians and Surgeons of Canada in the specialty of occupational medicine, and president of the Association of Occupational and Environmental Clinics in the United States. He is a clinical professor of medicine in the Division of Occupational and Environmental Medicine at UCSF.