About Us
John Wargo, Ph.D.
EVST Program Chair
Professor Wargo is a Professor of Environmental Health and Politics at YSE. His research explores threats to human health posed by environmental hazards, including exposures to pesticides, vehicle emissions, toxins in foods, plastics, flame-retardants, metals, and chemicals released outdoors and indoors. His current research examines environmental and health challenges associated with the global food system.
Michael Fotos, Ph.D.
Director of Undergraduate Studies
Professor Fotos BA-YC, MPA., PhD, is the EVST Director of Undergraduate Studies and Lecturer in Political Science. He studies the relationship between political theory and policy analysis. His earlier work focused on coal mining regulation, voter turnout, and ecosystem services.
Kealoha Freidenburg, Ph.D.
Associate DUS, BS Program
Dr. Freidenburg is the EVST Associate Director of Undergraduate Studies, BS Program and Lecturer at YSE. She is an ecologist who conducts research in freshwater ecosystems with a particular focus on amphibians. Dr. Freidenburg teaches courses that incorporate ecology, conservation, and a field-based approach to learning. Her current focus is centered on understanding how suburban landscapes and associated land use impact amphibian populations.
Linda Evenson
EVST Program Manager
Linda Evenson B.A., M.E.M. YSE is EVST’s Program Manager. She is a former resident of Yale’s Trumbull College and Cendena College at Yale-NUS College in Singapore. She has 20 years of experience in the field of environmental science, policy, and administration.
Program Directory
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Emma Barrett
EVST Student Coordinator and Study Abroad LiaisonEVST BA ‘25, Food and Agriculture
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Sarah Cheung
Peer Mentor, Human Rights Studies Liaison, Graduate Student LiaisonEVST BS ‘25, Environmental Justice
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Nola Dorji
EVST Social Media Manager, Peer Mentor, Data Science Certificate LiaisonEVST BS ‘25, Sustainability and Natural Resources
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Corinne Evans
Student Website ManagerEVST ‘25.5, Human Health and Environmental Policy concentration
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Michael Fotos, Ph.D.
Director of Undergraduate Studies, Senior Essay InstructorLecturer, Political Science(203) 436-5190
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Kealoha Freidenburg
Director of Undergraduate Studies, BS Program and Senior Essay InstructorLecturer, Yale School of the Environment(203) 464-7269