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PPIC Water Policy Center

Our Team

Portrait of Letitia Grenier

Letitia Grenier

Center Director and Senior Fellow

Expertise: Ecology

Portrait of Caitlin Peterson

Caitlin Peterson

Associate Center Director and Research Fellow

Expertise: Agroecology

Portrait of Andrew Ayres

Andrew Ayres

Research Fellow

Expertise: Economics

Portrait of Sarah Bardeen

Sarah Bardeen

Center Communications Manager

Portrait of Brian  Gray

Brian Gray

Senior Fellow

Expertise: Environmental law

Portrait of Ellen Hanak

Ellen Hanak

Senior Fellow

Expertise: Economics

Portrait of Jennifer Harder

Jennifer Harder

PPIC CalTrout Ecosystem Fellow

Expertise: Environmental law

Portrait of Jeffrey  Mount

Jeffrey Mount

Senior Fellow

Expertise: Hydrology

Portrait of Gokce Sencan

Gokce Sencan

Research Associate

Expertise: Water policy

Portrait of Ted Sommer

Ted Sommer

PPIC CalTrout Ecosystem Fellow

Expertise: Natural resources

Adjunct Fellows

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

James Cloern

Adjunct Fellow, Public Policy Institute of California
Senior Research Scientist, United States Geological Survey

Expertise: Aquatic ecology

Alvar Escriva-Bou

Adjunct Fellow, Public Policy Institute of California
Assistant Professor, Civil and Environmental Engineering Department and Institute of the Environment and Sustainability, University of California, Los Angeles

Expertise: Water systems engineering, water policy, climate change policy

Greg Gartrell

Adjunct Fellow, Public Policy Institute of California

Expertise: Water resource engineering

Ted Grantham

Adjunct Fellow, Public Policy Institute of California
Cooperative Extension Specialist, University of California, Berkeley

Expertise: River science

Josué Medellín-Azuara

Adjunct Fellow, Public Policy Institute of California
Associate Professor of Civil and Environmental Engineering, University of California, Merced

Expertise: Water policy, economics, hydrologic modeling

David Mitchell

Adjunct Fellow, Public Policy Institute of California
Principal, M.Cubed

Expertise: Economics

Sarah Null

Adjunct Fellow, Public Policy Institute of California
Professor, Utah State University

Expertise: Water policy, systems modeling, climate change adaptation

Kurt Schwabe

Adjunct Fellow, Public Policy Institute of California
Professor, University of California, Riverside, School of Public Policy

Expertise: Economics

Research Network

Newsha Ajami

Director of Urban Water Policy
Stanford University, Water in the West

Expertise: Water resource hydrology

Maura Allaire

Assistant Professor, Water Economics and Policy
University of California, Irvine

Expertise: Environmental economics

Karrigan Bork

Acting Professor of Law
UC Davis School of Law

Expertise: Environmental law, ecology

Timothy Bradley

Professor, Ecology and Evolutionary Biology
University of California, Irvine

Expertise: Aquatic ecology

Ellen Bruno

Assistant Cooperative Extension Specialist
Department of Agricultural and Resource Economics - University of California, Berkeley

Expertise: Agricultural economics, environmental economics

Daniel Cayan

Research Meteorologist
University of California, San Diego, Scripps Institution of Oceanography

Expertise: Climate science

Bonnie Colby

Professor of Agricultural and Resource Economics and Hydrology and Water Resources
University of Arizona

Expertise: Water and energy economics

Helen E. Dahlke

Associate Professor
Integrated Hydrologic Sciences, University of California, Davis

Expertise: Surface water, groundwater

Frank Davis

Distinguished Professor, Bren School of Environmental Science and Management
And Director, LA Kretz Center for Research at Sedgwick Reserve, University of California, Santa Barbara

Expertise: Landscape ecology

Michael Dettinger

Visiting Researcher, Scripps Institution of Oceanography
Michael Dettinger Clifmate Science, LLC
Retired, Research Hydrologist, United States Geological Survey

Expertise: Hydroclimatology

John Durand

Research Scientist
University of California, Davis

Expertise: Estuarine ecology and restoration

Kristen Dybala

Principal Ecologist
Point Blue Conservation Science

Expertise: Conservation, riparian and wetland ecosystems, restoration

Andrew T. Fisher

Professor of Earth and Planetary Sciences
University of California, Santa Cruz

Expertise: Groundwater

John Fleck

Director
University of New Mexico Water Resources Program

Expertise: Colorado River Basin governance

William Fleenor

Senior Researcher
University of California, Davis

Expertise: Water resource engineering

Graham Fogg

Professor Emeritus of Hydrology,
Departments of Land, Air & Water Resources, and Earth and Planetary Sciences, University of California, Davis

Expertise: Groundwater

Richard Frank

Director
University of California, Davis, School of Law, Environmental Law and Policy Center

Expertise: Environmental and water law

Sarge Green

Project Director
Fresno State University, California Water Institute

Expertise: Water resource management

Thomas Harter

Hagan Endowed Chair in Water Management and Policy
University of California, Davis, Land, Air, and Water Resources

Expertise: Groundwater hydrology

David Jassby

Associate Professor, Department of Civil and Environmental Engineering
University of California, Los Angeles

Expertise: Water and wastewater treatment, membrane separations, electrochemistry

Katrina Jessoe

Associate Professor
University of California, Davis, Agricultural and Resource Economics

Expertise: Economics

Yufang Jin

Assistant Professor
University of California, Davis, Remote Sensing and Ecosystem Change

Expertise: Ecosystem change

Douglas Kenney

Director, Western Water Policy Program
Getches-Wilkinson Center for Natural Resources, Energy and the Environment; University of Colorado

Expertise: Colorado River policy

Wim Kimmerer

Research Professor
San Francisco State University, Romberg Tiburon Center

Expertise: Aquatic ecology

Susie Kocher

Forestry Advisor
University of California Cooperative Extension

Expertise: Forestry and fire ecology, extension education

Matt Kondolf

Professor
University of California, Berkeley, Department of Landscape Architecture & Environmental Planning

Expertise: River management

Carolyn Kousky

Associate Vice President for Economics and Policy
Environmental Defense Fund

Expertise: Economics

Yusuke Kuwayama

Assistant Professor, School of Public Policy
University of Maryland Fellow, Resources For the Future

Expertise: Water resource economics

Jaymin Kwon

Associate Professor
California State University, Fresno

Expertise: Environmental health, exposure assessment, air quality

Jay Lund

Director
University of California, Davis, Center for Watershed Sciences

Expertise: Water resource engineering

Mark Lundy

Assistant Professor, Cooperative Extension, University of California, Davis

Expertise: Grain cropping systems in the state of California

Dean Misczynski

Independent Consultant

Expertise: Public Policy

Peter Moyle

Associate Director
University of California, Davis, Center for Watershed Sciences

Expertise: Fish biology

Doug Parker

Director
University of California, California Institute for Water Resources

Expertise: Economics

Debra Perrone

Assistant Professor
Environmental Studies Program, University of California, Santa Barbara

Expertise: Water policy, groundwater systems, water-food-energy tradeoffs

Gregory Pierce

Co-Director, UCLA Luskin Center for Innovation
Co-Director, UCLA Water Resources, Faculty Group Faculty Member, UCLA Department of Urban Planning

Expertise: Water equity policy

Nicholas Pinter

Professor
University of California, Davis, Center for Watershed Sciences

Expertise: River management

Brett Sanders

Professor
University of California, Irvine, School of Engineering

Expertise: Water resource engineering

Kelly T. Sanders

Associate Professor of Civil and Environmental Engineering
University of Southern California

Expertise: Energy-water nexus

David Sedlak

Co-Director
University of California, Berkeley, Berkeley Water Center

Expertise: Water quality engineering

Edward Spang

Assistant Professor, Food Science and Technology
University of California, Davis

Expertise: Food-water-energy nexus

Eric D. Stein

Department Head, Biology Department
Southern California Coastal Water Research Project

Expertise: Ecohydrology, environmental assessment, stormwater monitoring and assessment

Scott Stephens

Henry Vaux Special Professor of Forest Policy
University of California, Berkeley, Environmental Science Policy and Management Department

Expertise: Fire ecology and management

Daniel Sumner

Frank H. Buck, Jr. Distinguished Professor in the Department of Agricultural and Resource Economics, University of California, Davis
Director, University of California Agricultural Issues Center

Expertise: Economics

Daniel Swain

Research Fellow, National Center for Atmospheric Research,
California Climate Fellow, The Nature Conservancy, Researcher,
Institute of the Environment and Sustainability at UCLA

Expertise: Regional climate change and extremes

Leon Szeptycki

Professor of Law
University of Virginia

Expertise: Environmental law

Barton “Buzz” Thompson

Director
Stanford University, Woods Institute for the Environment

Expertise: Environmental law

Paul Ullrich

Assistant Professor
Regional and Global Climate Modeling, University of California, Davis, Department of Land, Air, and Water Resources

Expertise: Regional climate change

Joshua Viers

Professor, Civil & Environmental Engineering, Director, Center for Information Technology Research in the Interest of Society
Associate Dean for Research, School of Engineering, University of California, Merced

Expertise: Watershed science and management

Robert Wilkinson

Adjunct Professor, Bren School of Environmental Science and Management
Senior Lecturer Emeritus, Environmental Studies University of California, Santa Barbara

Expertise: Public policy

Sarah Yarnell

Senior Researcher
University of California, Davis, Center for Watershed Sciences

Expertise: River science and management

Harrison “HB” Zeff

Civil Engineer, Lower Colorado Basin Research and Modeling Team
US Bureau of Reclamation

Expertise: Water resources