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.
![Kathy Mulvey](/sites/default/files/styles/1_1_small/public/2022-08/200-kathy.jpg?itok=UaSZwfbI)
Kathy Mulvey
Accountability Campaign Director, Climate & Energy Program
![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)
Hunter Noffsinger
Senior Outreach Coordinator
![Jose Pablo Ortiz Partida](/sites/default/files/styles/1_1_small/public/2024-04/Pablo%20Ortiz%20%202%20headshot.jpg?itok=aOvybrk1)
J. Pablo Ortiz-Partida
Director of Innovation and Collaboration
![Sulgiye Park](/sites/default/files/styles/1_1_small/public/2023-03/sulgiye-park-200.jpg?itok=Wbqqbu9o)
Sulgiye Park
Senior Scientist
![Laura Peterson](/sites/default/files/styles/1_1_small/public/2022-03/200-200-LP.jpg?itok=BuQLYgTB)
Laura Peterson
Corporate Analyst & Advocate
![](/sites/default/files/2019-09/no_photo_avatar.png)
Carly Phillips
Research Scientist, Science Hub for Climate Litigation
![Maria Cecilia Pinto de Moura headshot](/sites/default/files/styles/1_1_small/public/2022-08/200-cmoura.jpg?itok=l3FzIJjD)
Maria Cecilia Pinto de Moura
Senior Vehicles Engineer
![Dave Reichmuth](/sites/default/files/styles/1_1_small/public/2022-08/200-dreichmuth.jpg?itok=RAWy8JCt)
David Reichmuth
Senior Engineer, Clean Transportation Program
![John Rogers](/sites/default/files/styles/1_1_small/public/2022-08/200-jrogers.jpg?itok=c5-iRfZ4)
John Rogers
Energy Campaign Analytic Lead
![Robert Rust](/sites/default/files/styles/1_1_small/public/2023-03/robert-rust-200px.jpg?itok=ZFDHD6RJ)
Robert Rust
China Analyst
![Ricardo Salvador](/sites/default/files/styles/1_1_small/public/2022-08/200-rsalvador.jpg?itok=mknP0KqR)
Ricardo Salvador
Director, Food & Environment Program
![Sital Sathia](/sites/default/files/styles/1_1_small/public/2022-08/200-ssathia.jpg?itok=vpJAtKt1)
Sital Sathia
Energy Justice Research Associate
![Sandra Sattler](/sites/default/files/styles/1_1_small/public/2022-08/200-ssattler.jpg?itok=tBgbbZFE)
Sandra Sattler
Senior Energy Modeler
![Lee Shaver](/sites/default/files/styles/1_1_small/public/2024-02/300-lee-shaver.jpg?itok=hP6QnQOn)
Lee Shaver
Senior Energy Analyst
![Kevin X. Shen](/sites/default/files/styles/1_1_small/public/2023-02/250-kevin-shen.jpg?itok=XrTZOKR0)
Kevin X. Shen
Northeast Transportation Policy Analyst
![Shabd Singh](/sites/default/files/styles/1_1_small/public/2024-06/300-shabd.jpg?itok=gJYmy0_N)
Shabd Singh
Senior Federal Campaign Coordinator
![](/sites/default/files/styles/1_1_small/public/images/erika-spanger-siegfried-200px.jpg?itok=jbAhZp9w)
Erika Spanger
Director of Strategic Climate Analytics
![Dylan Spaulding](/sites/default/files/styles/1_1_small/public/2022-10/dylan-spaulding-200x200.gif?itok=8TVZvisj)
Dylan Spaulding
Senior Scientist
![Mark Specht](/sites/default/files/styles/1_1_small/public/2022-08/200-mspecht.jpg?itok=gb7TUKG6)
Mark Specht
Western States Energy Manager
![Karen Perry Stillerman](/sites/default/files/styles/1_1_small/public/2022-08/200-kps.jpg?itok=sfXsQqsf)
Karen Perry Stillerman
Deputy Director
![Precious Tshabalala](/sites/default/files/styles/1_1_small/public/2024-04/300-precious.jpg?itok=5mZ8duJy)
Precious Tshabalala
Economist
![Shana Udvardy](/sites/default/files/styles/1_1_small/public/2022-03/HeadshotArtboard%202.jpg?itok=zG0ATSqC)
Shana Udvardy
Senior Climate Resilience Policy Analyst
![Sam Wilson](/sites/default/files/styles/1_1_small/public/2022-03/200-200-SW.jpg?itok=dITCBaXC)
Sam Wilson
Senior Vehicles Analyst
![head shot of Stacy Woods](/sites/default/files/styles/1_1_small/public/2023-03/Copy%20of%20Blog%20Lead%20Image%20Template%20%28200%20%C3%97%20200%20px%29%2811%29.jpg?itok=BU0oqUAq)
Stacy Woods
Research Director