As the proud successor to the Pew Center on Global Climate Change, and recently named the world’s top environmental think tank, C2ES provides independent analysis and innovative solutions to the twin challenges of energy and climate change.

Staff Bios

C2ES staff is a diverse and dedicated group of professionals with expertise in areas ranging from public policy to environmental science to economics.

For details on each staff member, click on the names below.

Kyle Aarons
Solutions Fellow
Rebecca Matulka
Communications Associate

Dan Abernathy
Receptionist/AA

Sara Moarif
International Fellow
Eileen Claussen
President

Jan Mt. Pleasant
HR/Office Administrator

Meg Crawford
Markets & Business Strategy Fellow
Nick Nigro
Manager, Transportation Initiatives
Elliot Diringer
Executive Vice President

Janet Peace
VP, Markets & Business Strategy

Patrick Falwell
Solutions Fellow
Manik Roy
VP, Strategic Outreach

Adria Goldsmith
Executive Assistant to the President

Stephen Seidel
Senior Advisor

Judi Greenwald
VP, Technology and Innovation

Joan Triggs
Chief Financial Officer
Jay Gulledge 
Senior Scientist
Director, Science & Impacts Program
Michael Tubman
Senior Fellow
Dan Huber
Science & Policy Fellow
Jason Ye
Fellow

Timothy Juliani
Director of Corporate Engagement

Charles Zhu
Solutions Fellow
Colleen Kredell
Project Manager, Make an Impact
 
Katie Mandes
VP, Community Engagement
Director, Make an Impact
 
John Marzabadi
Administrative/Accounts Payable Assistant