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Darrell Winner

Darrell Winner

Adjunct Faculty

Adjunct Faculty Member at Heinz College in Washington, DC

Darrell Winner specializes in advancing the scientific understanding of air quality and climate change. He has spent his career working at the interface between science and policy, designing and implementing policy-relevant research and delivering scientific results through assessments. Dr. Winner currently serves as the EPA representative for the 5th National Climate Assessment and was an author of the overview and the air quality chapters in the 4th National Climate Assessment. Dr. Winner planned the EPA research strategy to understand the impact of climate change on air quality and managed the extramural research projects. The results were critical for the endangerment finding for greenhouse gases, the required first step to regulate greenhouse gases under the Clean Air Act.


Dr. Winner has served in management and executive roles for extramural grant programs to research a sustainable tomorrow. Dr. Winner was the acting deputy director of EPA’s National Center for Environmental Assessment where he managed the research, administrative support, and extramural activities of over 200 Federal employees in 3 different locations. Before joining EPA’s Office of Research & Development, Dr. Winner worked at the Air Force Research Laboratory, as well as several different EPA Offices, including Policy, Air, and Environmental Information.

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