C2ES Staff

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
Senior Fellow

John Marzabadi
Administrative/Accounts Payable Assistant

Joe Casola
Staff Scientist
Program Director, Science and Impact

Amy Morsch
Program Manager, Make an Impact

Adria Cooper
Office Manager/Executive Assistant

Nick Nigro
Senior Manager, Transportation Initiatives

Elliot Diringer
Executive Vice President

Marty Niland
Communications Manager

Patrick Falwell
Solutions Fellow

Janet Peace
VP, Markets & Business Strategy

Matt Frades
Finance Fellow

Bob Perciasepe
President

Jay Gulledge 
Senior Advisor

Ellie Ramm
Project Coordinator, Make an Impact

Jeff Hopkins
VP, Policy and Analysis

Laura Rehrmann
Director of Communications

Jennifer Huang
International Fellow

Stephen Seidel
Senior Advisor

Timothy Juliani
Director of Corporate Engagement

Flor Teng
Receptionist/Administrative Assistant

Robert Leipold
Director of Development

Joan Triggs
Chief Financial Officer

Katy Maher
Science and Impacts Fellow

Michael Tubman
Senior Fellow

Katie Mandes
VP, Community Engagement
Director, Make an Impact

Doug Vine
Senior Energy Fellow

Anthony Mansell
International Fellow

Jason Ye
Fellow