Expertise in: Biodiversity, climate change, pollution, food systems, and community health for marginalized populations.

Elizabeth Willetts is the Planetary Health Policy Director, Harvard T.H. Chan School of Public Health. She is an internationally recognized expert in interdisciplinary policy analysis and communications with 20+ years’ experience mobilizing knowledge and engagement on biodiversity, climate change, pollution, food systems, and community health for marginalized populations. She has authored science-policy guides for the WHO, the UN Economic and Social Commission for Asia and the Pacific, and the International Institute for Sustainable Development, drawing on 15 years as a policy reporter tracking intergovernmental negotiations for multilateral environmental agreements, and eight years as a community clinician in the U.S., Central America, and Micronesia.