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Department of Environmental Studies and Sciences

Faculty and Staff

Department Chair

  • Virginia Matzek

    Professor, Department Chair

    Virginia is a restoration ecologist whose work links ecological restoration to ecosystem services that benefit humans. She is also interested in how land managers and policymakers use science and public opinion to set priorities for restoration.

Department Manager


  • Christopher Bacon

    Associate Professor

    Chris is both a political ecologist and an agroecologist. His research focuses on agriculture, food systems change, and ecology. How does agri-environmental governance link to sustainable livelihoods, seasonal hunger, diversified farming, environmental and food justice in the Americas?

  • John S. Farnsworth

    Senior Lecturer Emeritus

    John specializes in environmental writing and literature, especially in terms of literary natural history and Anglo/American nature writing. His current research focuses on long-term ecological projects, especially in terms of how these projects engage community.

  • C.J. Gabbe

    Associate Professor

    C.J. is an urban planner. His research focuses on the connections between land use regulations, housing affordability, and climate change mitigation.

  • Leslie Gray


    Leslie's research and teaching examine global environments, development and population change. She has worked in Burkina Faso, Tanzania and Sudan examining issues of agrarian change, land use patterns, and gendered access to resources. Her local work in Santa Clara County examines the socio-environmental nature of urban agriculture.

  • Ted Grudin


    Ted's research involves environmental history, science & technology studies, philosophy, and religious studies. He focuses on how cosmologies of nature have been conceived and reproduced in American society.

  • Stephanie Hughes

    Senior Lecturer

    I am a registered Chemical Engineer with more than 20 years of broad technical experience in air and water quality, including pollutant source characterization, chemical fate and transport, water and wastewater treatment, and regulatory permit compliance.

  • Lisa Kealhofer


    Lisa's research in environmental anthropology addresses issues related to ancient landscapes, political economy, and land use. Her research areas include Turkey, and the ancient regions of Sunda and Sahul. Lisa holds a joint appointment in the Department of Anthropology.

  • Michelle Marvier


    Michelle is a conservation scientist. Her research examines ecosystem recovery following major perturbation and the environmental pros and cons of genetically modified crops.

  • Hari Mix

    Assistant Professor

    Hari is a stable isotope geochemist. He studies the interactions between different components of the Earth system, from plate tectonics to the climate and biosphere.

  • Daria Siciliano

    Academic Year Adjunct Lecturer

    Daria is a marine ecologist with research expertise in tropical coastal conservation. Her research explores how climate variability and historical changes in nutrient runoff affect coral reef ecosystems.

  • Iris Stewart-Frey


    Iris is a hydrogeologist with expertise in hydroclimatology and GIS. Her research explores the effects of climate variability and change on water flow and water quality in the mountain streams of California, the West, and beyond.