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.
![There is no photo available of this person.](/sites/default/files/styles/1_1_small/public/2019-09/no_photo_avatar.png?itok=CHN-yO7r)
Christopher Williams
Research Director
![Lilly Adams](/sites/default/files/styles/1_1_small/public/2022-08/200-lillu.jpg?itok=GmvqyEbi)
Lilly Adams
Senior Outreach Coordinator
![Don Anair](/sites/default/files/styles/1_1_small/public/2022-08/200-danair.jpg?itok=EDc6jl4w)
Don Anair
Research Director, Clean Transportation Program
![Paul Arbaje](/sites/default/files/styles/1_1_small/public/2022-10/200-Paul-Arbaje.jpg?itok=tnHPcGqY)
Paul Arbaje
Energy Analyst
![Daniel Barad](/sites/default/files/styles/1_1_small/public/2023-04/300-barad.jpg?itok=AToLuMOx)
Daniel Barad
Western States Policy Manager
![Astrid Caldas](/sites/default/files/styles/1_1_small/public/2022-08/200-acaldas.jpg?itok=WT-x2aeS)
Astrid Caldas
Senior Climate Scientist for Community Resilience
![Maria Chavez](/sites/default/files/styles/1_1_small/public/2023-02/250-maria-chavez.jpg?itok=_Qv3h1Ra)
Maria Chavez
Energy Analyst
![Juliet Christian-Smith](/sites/default/files/styles/1_1_small/public/2022-07/200-jcs.jpg?itok=FOud7yMF)
Juliet Christian-Smith
Western States Regional Director
![Rachel Cleetus](/sites/default/files/styles/1_1_small/public/2022-08/200-rcleetus.jpg?itok=cY4l1QHc)
Rachel Cleetus
Policy Director
![Steve Clemmer](/sites/default/files/styles/1_1_small/public/2022-08/200-sclemmer.jpg?itok=PYFLh20m)
Steve Clemmer
Director of Energy Research & Analysis
![Dave Cooke](/sites/default/files/styles/1_1_small/public/2023-02/250-dave-cooke.jpg?itok=Rb1bFtaG)
Dave Cooke
Senior Vehicles Analyst
![Kristy Dahl](/sites/default/files/styles/1_1_small/public/2022-09/200-kristy.jpg?itok=VpWHFRKc)
Kristina Dahl
Principal Climate Scientist
![Juan Declet Barreto](/sites/default/files/styles/1_1_small/public/2022-08/200-jdb.jpg?itok=T3-uQnZa)
Juan Declet-Barreto
Senior Social Scientist for Climate Vulnerability
![Anita Desikan](/sites/default/files/styles/1_1_small/public/2022-08/200-adesikan.jpg?itok=feftZ0Se)
Anita Desikan
Senior Analyst
![Jeff Deyette](/sites/default/files/styles/1_1_small/public/2022-08/200-jdeyette.jpg?itok=acBb7Z2i)
Jeff Deyette
Director of State Policy and Analysis
![Tara Drozdenko](/sites/default/files/styles/1_1_small/public/2024-03/300-tara.jpg?itok=e3Rg4pYE)
Tara Drozdenko
Director, Global Security Program
![Jessica Dunn](/sites/default/files/styles/1_1_small/public/2022-08/200-jdunn.jpg?itok=oHS_ylWJ)
Jessica Dunn
Senior Analyst
![Brenda Ekwerzel](/sites/default/files/styles/1_1_small/public/2022-08/200-bekwerzel.jpg?itok=f7p6Jif_)
Brenda Ekwurzel
Senior Climate Scientist, Director of Climate Science
![headshot of Dr. Amanda Fencl](/sites/default/files/styles/1_1_small/public/2022-12/Copy%20of%20Blog%20Lead%20Image%20Template%20%28200%20%C3%97%20200%20px%29%286%29.jpg?itok=v7LyLs4z)
Amanda Fencl
Western States Senior Climate Scientist
![Angel Santiago Fernandez Bou](/sites/default/files/styles/1_1_small/public/2023-04/Angel%20Fernandez%20headshot.jpg?itok=XYhEi0Ty)
Angel S. Fernández-Bou
Western States Senior Climate Scientist
![head shot of Dr. Melissa Finucane](/sites/default/files/styles/1_1_small/public/2023-04/Copy%20of%20Blog%20Lead%20Image%20Template%20%28200%20%C3%97%20200%20px%29%2815%29.jpg?itok=JN1o2ddQ)
Melissa Finucane
Vice President of Science & Innovation
![Chanese Forte](/sites/default/files/styles/1_1_small/public/2022-09/chanese-forte-200.jpg?itok=fzIw_sgt)
Chanese A. Forté
Scientist
![Paula Garcia](/sites/default/files/styles/1_1_small/public/2022-08/200-pgarcia.jpg?itok=QzEIoP6x)
Paula García
Senior Bilingual Energy Analyst and Energy Justice Lead
![James Gignac](/sites/default/files/styles/1_1_small/public/2023-02/250-gignac.jpg?itok=Szh5oN9S)
James Gignac
Midwest Senior Policy Manager