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PPIC senior fellow Ellen Hanak is director of the PPIC Water Policy Center. The center’s research network is a dynamic group of top researchers with expertise in a range of disciplines—including biology, economics, engineering, geology, and law.

Water Center Staff

Ellen Hanak
Ellen Hanak
Vice President and Center Director
415-291-4433
hanak@ppic.org
Expertise:
Economics
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Caitrin Chappelle
Caitrin Chappelle
Associate Center Director and Senior Research Associate
415-291-4435
chappelle@ppic.org
Expertise:
Public policy
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Andrew Ayres
Research Fellow
415-291-4461
ayres@ppic.org
Expertise:
Economics
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Joy Collins
Research Associate
415-291-4478
collins@ppic.org
Expertise:
Environmental health
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Alvar Escriva-Bou
Alvar Escriva-Bou
Research Fellow
916-440-1125
escriva@ppic.org
Expertise:
Water resource engineering
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Kayla Granados
Research Administrator
415-291-4490
granados@ppic.org
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Brian Gray
Senior Fellow
415-565-4719
gray@ppic.org
Expertise:
Environmental law
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Henry McCann
Research Associate
415-291-4409
mccann@ppic.org
Expertise:
Geography
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Jeffrey Mount
Jeffrey Mount
Senior Fellow
415-291-4476
mount@ppic.org
Expertise:
Hydrology
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Lori Pottinger
Center Communications Manager
415-291-4428
pottinger@ppic.org
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Annabelle Rosser
Research Associate
415-291-4488
rosser@ppic.org
Expertise:
Environmental planning
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Gokce Sencan
Research Associate
415-291-4408
sencan@ppic.org
Expertise:
Water policy
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Carlos Torres
Center Administrator
415-291-4434
ctorres@ppic.org
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Research Network
Newsha Ajami
Director of Urban Water Policy, Stanford University, Water in the West
Expertise:
Water resource hydrology
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Maura Allaire
Assistant Professor of Water Economics and Policy, University of California, Irvine
Expertise:
Environmental economics
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Karrigan S. Bork, JD, PhD
Acting Professor of Law, UC Davis School of Law
202-271-9392
ksbork@ucdavis.edu
Expertise:
Environmental law, ecology
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Timothy Bradley
Professor, Ecology and Evolutionary Biology, University of California, Irvine
949-824-8483
tbradley@uci.edu
Expertise:
Aquatic ecology
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Ellen Bruno
Assistant Cooperative Extension Specialist
Department of Agricultural and Resource Economics- University of California, Berkeley
Expertise:
Agricultural economics, environmental economics
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Van Butsic
ADJUNCT FELLOW, PUBLIC POLICY INSTITUTE OF CALIFORNIA
ASSISTANT COOPERATIVE EXTENSION SPECIALIST & ADJUNCT PROFESSOR, UNIVERSITY OF CALIFORNIA, BERKELEY, ENVIRONMENTAL SCIENCE POLICY AND MANAGEMENT DEPARTMENT
Expertise:
Land use planning
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Daniel Cayan
Research Meteorologist, University of California, San Diego, Scripps Institution of Oceanography
858-534-4507
dcayan@ucsd.edu
Expertise:
Climate science
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James Cloern
ADJUNCT FELLOW, PUBLIC POLICY INSTITUTE OF CALIFORNIA
Senior Research Scientist, United States Geological Survey
650-329-4594
jecloern@usgs.gov
Expertise:
Aquatic ecology
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Bonnie Colby
Professor of Agricultural and Resource Economics and Hydrology and Water Resources, University of Arizona
Expertise:
Water and energy economics
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Helen E. Dahlke
Associate Professor, Integrated Hydrologic Sciences, University of California, Davis
Expertise:
Surface water, groundwater
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Frank Davis
Director, University of California, Santa Barbara, National Center for Ecological Analysis and Synthesis
Expertise:
Landscape ecology
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Michael Dettinger
Visiting Researcher, Scripps Institution of Oceanography
Michael Dettinger Climate Science, LLC Retired, Research Hydrologist, United States Geological Survey
Expertise:
Hydroclimatology
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John R. Durand
Research Scientist, University of California, Davis
Expertise:
Estuarine ecology and restoration
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Andrew T. Fisher
Professor of Earth and Planetary Sciences, University of California, Santa Cruz
831-459-5598
afisher@ucsc.edu
Expertise:
Groundwater
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John Fleck
Director, University of New Mexico Water Resources Program
505-277-0124
fleckj@unm.edu
Expertise:
Colorado River Basin governance
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William Fleenor
Senior Researcher, University of California, Davis, Center for Watershed Sciences
Expertise:
Water resource engineering
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Graham Fogg
PROFESSOR, UNIVERSITY OF CALIFORNIA, DAVIS, DEPARTMENT OF HYDROGEOLOGY
530-752-6810
gefogg@ucdavis.edu
Expertise:
Groundwater
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Richard Frank
Director, University of California, Davis, School of Law, California Environmental Law and Policy Center
Expertise:
Environmental law
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Greg Gartrell
Adjunct Fellow, Public Policy Institute of California
Independent Consultant
Expertise:
Water resource engineering
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Ted Grantham
ADJUNCT FELLOW, PUBLIC POLICY INSTITUTE OF CALIFORNIA
COOPERATIVE EXTENSION SPECIALIST, UNIVERSITY OF CALIFORNIA, BERKELEY
Expertise:
River science
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Sarge Green
Project Director, Fresno State University, California Water Institute
Expertise:
Water resource management
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Letitia Grenier, Ph.D.
Adjunct and PPIC Caltrout Ecosystem Fellow, Public Policy Institute of California
Program Director, Senior Scientist San Francisco Estuary Institute, Resilient Landscapes Program
510-746-7342
letitia@sfei.org
Expertise:
Landscape ecology, conservation biology
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Jennifer L. Harder
Associate Professor, University of the Pacific, McGeorge School of Law
Expertise:
Water law, environmental law
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Thomas Harter
Hagan Endowed Chair in Water Management and Policy, University of California, Davis, Land, Air, and Water Resources
Expertise:
Groundwater hydrology
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David Jassby
Associate Professor, Department of Civil and Environmental Engineering University of California, Los Angeles
310-825-1346
jassby@ucla.edu
Expertise:
Water and wastewater treatment, membrane separations, electrochemistry
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Katrina Jessoe
Assistant Professor, University of California, Davis, Agricultural and Resource Economics
Expertise:
Economics
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Yufang Jin
Assistant Professor, University of California, Davis, Remote Sensing and Ecosystem Change
530-219-4429
yujin@ucdavis.edu
Expertise:
Ecosystem change
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Douglas Kenney
Director, Western Water Policy Program
Getches-Wilkinson Center for Natural Resources, Energy and the Environment; University of Colorado
Expertise:
Colorado River policy
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Wim Kimmerer
Research Professor, San Francisco State University, Romberg Tiburon Center
415-338-3515
kimmerer@sfsu.edu
Expertise:
Aquatic ecology
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Susie Kocher
Forestry Advisor
University of California Cooperative Extension
530-542-2571
sdkocher@ucanr.edu
Expertise:
Forestry and fire ecology, extension education
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Matt Kondolf
Professor, University of California, Berkeley, Department of Landscape Architecture & Environmental Planning
Expertise:
River management
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Carolyn Kousky
Director for Policy Research and Engagement, Wharton Risk Management and Decision Processes Center, University of Pennsylvania
Expertise:
Economics
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Yusuke Kuwayama
Assistant Professor, School of Public Policy, University of Maryland
Fellow, Resources for the Future
202-328-5190
kuwayama@umbc.edu
Expertise:
Water resource economics
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Jay Lund
Director, University of California, Davis, Center for Watershed Sciences
530-752-5671
jrlund@ucdavis.edu
Expertise:
Water resource engineering
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Josué Medellín-Azuara
Adjunct Fellow, Public Policy Institute of California
Acting Associate Professor of Environmental Engineering, University of California, Merced
Expertise:
Economics
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Dean Misczynski
Independent consultant
Expertise:
Public policy
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David Mitchell
Adjunct Fellow, Public Policy Institute of California
Principal, M.Cubed
Expertise:
Economics
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Peter Moyle
Associate Director, University of California, Davis, Center for Watershed Sciences
Expertise:
Fish biology
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Doug Parker
Director, University of California, California Institute for Water Resources
Expertise:
Economics
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Debra Perrone
Assistant Professor, Environmental Studies Program, University of California, Santa Barbara
Expertise:
Water policy, groundwater systems, water-food-energy tradeoffs
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Caitlin A. Peterson
Adjunct Fellow, Public Policy Institute of California
Consulting Agroecologist
Expertise:
Agroecology, cropping systems, sustainable agriculture, climate resilience, ecological intensification
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Nicholas Pinter
Professor, University of California Davis, Center for Watershed Sciences
Expertise:
River management
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Brett Sanders
Professor, University of California, Irvine, School of Engineering
949-824-4327
bsanders@uci.edu
Expertise:
Water resource engineering
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Kelly T. Sanders
Assistant Professor of Civil and Environmental Engineering, University of Southern California
213-821-0095
ktsanders@usc.edu
Expertise:
Energy-water nexus
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Kurt Schwabe
Adjunct Fellow, Public Policy Institute of California
Professor, University of California, Riverside, School of Public Policy
Expertise:
Economics
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David Sedlak
Co-Director, University of California, Berkeley, Berkeley Water Center
Expertise:
Water quality engineering
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Edward S. Spang
Assistant Professor, Food Science and Technology, and Associate Director, Center for Water-Energy Efficiency, University of California, Davis
Expertise:
Food-water-energy nexus
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Eric Stein
Department Head, Biology Department
Southern California Coastal Water Research Project
714-755-3233
erics@sccwrp.org
Expertise:
Ecohydrology, environmental assessment, stormwater monitoring and assessment
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Scott Stephens
PROFESSOR OF FIRE SCIENCE,
CHAIR, DIVISION OF ECOSYSTEM SCIENCE
UNIVERSITY OF CALIFORNIA, BERKELEY, ENVIRONMENTAL SCIENCE POLICY AND MANAGEMENT DEPARTMENT
Expertise:
Fire ecology and management
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Daniel Sumner
Director, Agricultural Issues Center, University of California, Davis
Expertise:
Economics
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Daniel L. Swain
Researcher, Institute of the Environment and Sustainability, UCLA Research Fellow, National Center for Atmospheric Research
California Climate Fellow, The Nature Conservancy
303-497-1117
dlswain@ucla.edu
Expertise:
Regional climate change and extremes
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Leon Szeptycki
Professor of Law, University of Virginia
Expertise:
Environmental law
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Barton "Buzz” Thompson
Director, Stanford University, Woods Institute for the Environment
650-723-2518
buzzt@stanford.edu
Expertise:
Environmental law
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Paul Ullrich
ASSISTANT PROFESSOR, REGIONAL AND GLOBAL CLIMATE MODELING, UNIVERSITY OF CALIFORNIA, DAVIS, DEPARTMENT OF LAND, AIR, AND WATER RESOURCES
Expertise:
Regional climate change
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Joshua Viers
Associate Professor, University of California, Merced, School of Engineering
Expertise:
Watershed science
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Robert Wilkinson
Adjunct Professor, University of California, Santa Barbara, Bren School of the Environment
Expertise:
Public policy
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Sarah Yarnell
Senior Researcher, University of California, Davis, Center for Watershed Sciences
Expertise:
River science and management
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