Our science and advocacy is backed by campaign staff, communicators, and development and administrative departments that make the organization effective and efficient.
![](/sites/default/files/2019-09/no_photo_avatar.png)
Omari Spears
Web Associate
![Headshot of Chief Justice and Equity Officer Sonja Spears](/sites/default/files/styles/1_1_small/public/2022-05/Copy%20of%20Blog%20Lead%20Image%20Template%20%28200%20%C3%97%20200%20px%29.jpg?itok=YuduHf1Q)
Sonja Spears
Chief Justice & Equity Officer
![Mark Specht](/sites/default/files/styles/1_1_small/public/2022-08/200-mspecht.jpg?itok=gb7TUKG6)
Mark Specht
Western States Energy Manager
![Eric St. Jacques](/sites/default/files/styles/1_1_small/public/2022-04/HeadshotArtboard%205.jpg?itok=YfbOhib0)
Eric St. Jacques
Senior Planned Giving Officer
![Karen Perry Stillerman](/sites/default/files/styles/1_1_small/public/2022-08/200-kps.jpg?itok=sfXsQqsf)
Karen Perry Stillerman
Deputy Director
![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)
Stephona Stokes
Senior Development Coordinator
![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)
Kristen Stoner
Controller
![](/sites/default/files/2019-09/no_photo_avatar.png)
Paris Thibault
Data Systems Manager
![Elise Tolbert](/sites/default/files/styles/1_1_small/public/2023-04/300-elise.jpg?itok=d8AiyAbg)
Elise Tolbert
Sr Energy Campaign Manager
![Linda Trey](/sites/default/files/styles/1_1_small/public/2023-12/300-linda.jpg?itok=UspAh1LD)
Linda Trey
Community & Partnerships Organizer
![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)
Bryan Trinh
Campaign Associate
![Precious Tshabalala](/sites/default/files/styles/1_1_small/public/2024-04/300-precious.jpg?itok=5mZ8duJy)
Precious Tshabalala
Economist
![](/sites/default/files/2019-09/no_photo_avatar.png)
Alyssa Tsuchiya
Director of Policy and Government Affairs
![](/sites/default/files/2019-09/no_photo_avatar.png)
Heather Tuttle
Production Manager/Editor
![Shana Udvardy](/sites/default/files/styles/1_1_small/public/2022-03/HeadshotArtboard%202.jpg?itok=zG0ATSqC)
Shana Udvardy
Senior Climate Resilience Policy Analyst
![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)
Lisa Van Theemsche
Washington Representative II
![Alex Vanderweele Ortman](/sites/default/files/styles/1_1_small/public/2023-09/Alex-Thumb%20%281%29_Alex%20Vanderweele%20Ort%201.png?itok=Hmk7kHUp)
Alex Vanderweele Ortman
Director of Membership
![Melissa Varga](/sites/default/files/styles/1_1_small/public/2023-02/250-mvarga.jpg?itok=Nh3zjJyh)
Melissa Varga
Science Network Senior Manager
![Erick Velez](/sites/default/files/styles/1_1_small/public/2022-03/200-200-EV.jpg?itok=SHHU-u_G)
Erick Velez
Data Analyst
![Marisa Vertrees](/sites/default/files/styles/1_1_small/public/2022-07/200-mvertrees.jpg?itok=GWZB6c91)
Marisa Vertrees
Campaign Director
![Abbey Vogel](/sites/default/files/styles/1_1_small/public/2024-05/vogel-300.jpg?itok=TzYxe5uV)
Abbey Vogel
Outreach Coordinator
![A headshot](/sites/default/files/styles/1_1_small/public/2019-10/kim-waddell-headshot.jpg?itok=P7hWvRvq)
Kim Waddell
Acting President
![](/sites/default/files/2019-09/no_photo_avatar.png)
Bryan Wadsworth
Managing Editor
![](/sites/default/files/2019-09/no_photo_avatar.png)
Claudia Ward-de León
Communications Strategist