Our science and advocacy is backed by campaign staff, communicators, and development and administrative departments that make the organization effective and efficient.
![Gregory Kulacki](/sites/default/files/styles/1_1_small/public/2022-08/200-gkulacki.jpg?itok=mlz0EpfM)
Gregory Kulacki
East Asia Project Manager
![Chitra Kumar, Managing Director, Climate & Energy program at UCS](/sites/default/files/styles/1_1_small/public/2023-11/Chitra%20Kumar%20headshot.jpg?itok=BEWF65ph)
Chitra Kumar
Managing Director, Climate & Energy Program
![Brian La Shier](/sites/default/files/styles/1_1_small/public/2022-07/200-bls.jpg?itok=1uzyd5rb)
Brian La Shier
Senior Washington Representative
![Michael Latner](/sites/default/files/styles/1_1_small/public/2023-07/200-mlatner-new.jpg?itok=4xEKW16X)
Michael Latner
Senior Fellow
![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)
Susan LaVaccare
Senior Major Gifts Officer
![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)
Elizabeth Layman
Program Operations Coordinator
![](/sites/default/files/2019-09/no_photo_avatar.png)
Chuck Lepperd
Massachusetts Operations Officer
![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)
Fletcher Levin
Campaign Associate
![Corrine Levy](/sites/default/files/styles/1_1_small/public/2023-09/300-corrine-levy.jpg?itok=6ujteu5o)
Corrine Levy
Senior Major Gifts Officer
![Rachel Licker](/sites/default/files/styles/1_1_small/public/2022-08/200-rlicker.jpg?itok=-Nm7VWBb)
Rachel Licker
Principal Climate Scientist
![Maggie Liegey](/sites/default/files/styles/1_1_small/public/2023-09/300-Maggie-Liegey.jpg?itok=dRBVWzFm)
Maggie Liegey
Senior Major Gifts Officer
![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)
Verónica López Gamboa
Bilingual Partnerships Coordinator
![](/sites/default/files/2019-09/no_photo_avatar.png)
Katy Love
Director of Digital Engagement
![Ed Lyman](/sites/default/files/styles/1_1_small/public/2022-08/200-elyman.jpg?itok=k-rangwF)
Edwin Lyman
Director, Nuclear Power Safety
![Eryn MacDonald](/sites/default/files/styles/1_1_small/public/2023-04/300-eryn.jpg?itok=YC_ZPweB)
Eryn MacDonald
Analyst, Global Security Program
![Randi Maniglia](/sites/default/files/styles/1_1_small/public/2023-10/300-randi.jpg?itok=X4DJEnKl)
Randi Maniglia
Development Assistant
![Adam Markham](/sites/default/files/styles/1_1_small/public/2022-08/200-amarkham.jpg?itok=LNeiokID)
Adam Markham
Deputy Director, Climate & Energy Program
![Nury Márquez](/sites/default/files/styles/1_1_small/public/2022-08/200-nury.jpg?itok=rDow1912)
Nury Márquez
Associate Director of Major Gifts
![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)
Apphia Martin
Executive Assistant
![Jeremy Martin](/sites/default/files/styles/1_1_small/public/2022-08/200-jmartin.jpg?itok=Zj9YhnNN)
Jeremy Martin
Senior Scientist and Director of Fuels Policy
![Cat Massa](/sites/default/files/styles/1_1_small/public/2024-05/300-cat-massa.jpg?itok=LTPcxyCb)
Catarina Massa
Foundations Officer
![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)
Chrissy Matson
Data Integration Specialist
![Shea McGinnis](/sites/default/files/styles/1_1_small/public/2023-04/300-shea.jpg?itok=g4rKnKxE)
Shea McGinnis
Database Operations Associate
![Michell McIntyre](/sites/default/files/styles/1_1_small/public/2022-11/200-michell.jpg?itok=wrMs14Or)
Michell McIntyre
Policy Director and Program Manager