Our staff experts include scientists, analysts, engineers, economists, agroecologists, policy experts, and many others. We believe that rigorous analysis is the best way to understand the world’s most pressing problems—and that hands-on advocacy is the quickest way to solve them.

Christopher Williams
Research Director

Lilly Adams
Senior Outreach Officer

Sara Al-Sayed
Kendall Fellow: Machine Learning, Satellite Remote Sensing, and Security

Don Anair
Deputy Director, Clean Transportation Program

Kathryn Anderson
Program Director, Food & Environment

Paul Arbaje
Energy Analyst

Daniel Barad
Western States Policy Senior Manager

Jules Barbati-Dajches
Analyst

Astrid Caldas
Senior Climate Scientist for Community Resilience

Michele Canales
Western States Policy Advocate

Maria Chavez
Energy Analyst

Juliet Christian-Smith
Western States Program Director

Rachel Cleetus
Senior Policy Director

Steve Clemmer
Director of Energy Research & Analysis

Dave Cooke
Senior Scientist

Juan Declet-Barreto
Bilingual Senior Social Scientist for Climate Vulnerability

Jeff Deyette
Deputy Director, Clean Energy

Samuel Dotson
Energy Modeler

Tara Drozdenko
Director, Global Security Program

Jessica Dunn
Scientist

Brenda Ekwurzel
Senior Director of Scientific Excellence

Kristie Ellickson
Senior Scientist

Amanda Fencl
Director of Climate Science

Angel S. Fernández-Bou
Bilingual Senior Climate Scientist