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- Director, Institute of the Environment
- Distinguished Professor
- Associate Director
- Professor
- Center for Health and the Environment
- Co-Director and Associate Professor
- Center for Watershed Sciences
- Professor Emeritus
- Center for Health and the Environment
- Professor Emeritus
- Center for Health and the Environment
- Recall Faculty
- Center for Health and the Environment
- Associate Director of Environmental and Climate Justice
- Professor and Yocha Dehe Endowed Chair in California Indian Studies
- Institute of the Environment
- Dept. of Native American Studies
- Director, Center for Spatial Technologies and Remote Sensing
- Distinguished Professor, Emeritus
- Director and Professor
- Center for Health and the Environment
- Western Center for Agricultural Health and Safety
- Co-Director and Professor
- Center for Watershed Sciences