Our science and advocacy is backed by campaign staff, communicators, and development and administrative departments that make the organization effective and efficient.

Pallavi Shrestha
Program Associate

Seth Shulman
Editorial Director

Ashley Siefert Nunes
Climate and Energy Media Manager

Akash Singh
Western States Policy Advocate

Edyta Sitko
Energy Organizing Manager

Heidi Smith
Grants Manager/Analyst

Juan Carlos Soriano
Coalitions Coordinator

Erika Spanger-Siegfried
Director of Strategic Climate Analytics

Wendelin Sparks
Deputy Director of Operations

Dylan Spaulding
Senior Scientist

Omari Spears
Web Associate
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Sonja Spears
Chief Justice and Equity Officer

Mark Specht
Western States Energy Manager/Senior Analyst

Eric St. Jacques
Associate Planned Giving Officer

Rebecca Stein
Director of Major Gifts

Roger Stephenson
Northeast Regional Advocacy Director

Karen Perry Stillerman
Deputy Director

Cana Tagawa
Communications Intern

Paris Thibault
Database Documentation and Training Coordinator

Jessica Thomas
Campaign Manager

Elise Tolbert
Sr Energy Campaign Manager

Linda Trey
Community & Partnerships Organizer

Alyssa Tsuchiya
Research Associate and Washington Representative

Heather Tuttle
Production Manager/Editor