Skip to Navigation
Skip to Content
Share this page


Welcome to PSR's Environmental Health Policy Institute, where we ask questions -- then we ask the experts to answer them. Join us as physicians, health professionals, and environmental health experts share their ideas, inspiration, and analysis about toxic chemicals and environmental health policy.


More Topics »

Matthew C. Keifer, MD MPH

Dr. Keifer is the Dean Emanuel Endowed Chair and Senior Research Scientist at the National Farm Medicine Center/Marshfield Clinic Research Foundation, in Marshfield, Wisconsin. He leads Farm Center involvement in the Wisconsin Dairy Workers Safety and Health Initiative, and was recently named editor-in-chief of the peer-reviewed Journal of Agromedicine.  

Dr. Keifer joined the Farm Center in August 2010. He remains an Affiliate Professor of Environmental and Occupational Health Sciences at the University of Washington, where he was co-director of the Pacific Northwest Agricultural Safety and Health Center, directing numerous community-based research projects focusing on farm worker health and pesticides. During his tenure at the UW he provided clinical occupational medical care at the Harborview Occupational Medicine Clinic and the Yakima Valley Farm Workers clinic in Yakima, Washington.  

Prior to joining the faculty at Washington he was the regional pesticide epidemiologist in Leon, Nicaragua, from 1989-1991, supported by CARE International. Dr. Keifer completed his medical training at the University of Illinois and completed his internal medicine residency, his chief residency year, his occupational medicine residency, and his masters in public health at the University of Washington.

Dr. Keifer is board certified in Internal Medicine and Occupational and Environmental Medicine. His clinical practice is conducted at the Occupational Medicine Department of Marshfield Clinic, where he and a colleague recently established the specialty FARM (Farm, Agricultural, and Rural Medicine) Clinic.

Dr. Keifer is presently serving a one-year term on the Institute of Medicine’s Committee on Occupational Information and Electronic Health Records.


Advocating for Policy Change to Require Clinical Diagnostic Tools and Biomonitoring of Exposures to Pesticides, August 24, 2011