William Lambert has more than 25 years experience as a researcher and teacher in epidemiology and the environmental health sciences. Since arriving at OHSU in 2000, Lambert has conducted health research on the toxins in salmon and subsistence fish eaten by Columbia River tribes, organophosphate exposure and cognitive health effects in the children of farmworkers, and investigated sick building illness outbreaks and cancer clusters. His research currently focuses on prevention and management of childhood asthma.

Lambert has served as chair of the Board of Directors for the Josiah Hill III Clinic (providing free child blood lead screening) and chair of the Air Toxics Science Advisory Committee for the Oregon Department of Environmental Quality. He was Director of Education for the OHSU Department of Public Health and Preventive Medicine from 2009-2015,  guiding the expansion and improvement of masters degree training programs in epidemiology and biostatistics.