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Meet the USCAN Staff

Keya Chatterjee, Executive Director

kchatterjee [at] usclimatenetwork [dot] org | 203-731-9344

Keya Chatterjee is Executive Director of USCAN, and author of the book The Zero Footprint Baby: How to Save the Planet While Raising a Healthy Baby. Her work focuses on building an inclusive movement in support of climate action. Keya recently appeared in the documentary 'Disruption,' promoting the People's Climate March. Keya's commentary on climate change policy and sustainability issues has been quoted in dozens of media outlets including USA Today, the New York Times, Fox News, the Associated Press, The Washington Post, and NBC Nightly News. Prior to joining USCAN, Keya served as Senior Director for Renewable Energy and Footprint Outreach at the World Wildlife Fund (WWF), where she worked for eight years. Before that, Keya was a Climate Change Specialist at USAID. Keya also worked at NASA headquarters for four years, communicating research results on climate change. Keya was a Peace Corps Volunteer in Morocco from 1998 to 2000. She currently serves on the board of the Washington Area Bicycling Association. Keya received her Master's degree in Environmental Science, and her Bachelor's in Environmental Science and Spanish from the University of Virginia.

Carrie Clayton, Operations Director

cclayton [at] usclimatenetwork [dot] org | 541-218-4587

Carrie has more than 15 years of management with community-based groups.  Prior to joining USCAN, Carrie was the Deputy Director at Wildlife Images Rehabilitation & Education Center in Oregon. Her duties at USCAN include ensuring organizational effectiveness, managing financial functions, and contributing to the development and implementation of organizational strategies, policies and practices.

Carrie holds a Bachelor's degree from Southern Oregon University in Environmental Studies/Biology. She feels it is vital to protect all children and future generations from the effects of climate change by addressing its causes and impacts.

Devin Costa, Administrative Coordinator

operations [at] usclimatenetwork [dot] org | 203-731-9344

Devin is the Administrative Assistant at USCAN where she performs duties related to office support. Before joining the USCAN team, Devin received her Bachelor’s degree from Drew University in history and European studies. Her love for nature and the environment led her to leave her focus in museum curation to help in the climate justice movement. She is very excited to be part of USCAN and hopes to implement stronger organizational systems to help operations run smoothly.

Alexander Easdale | Southeast Climate and Energy Network (SCEN) Coordinator

SCEN [at] 754 -779-1991

Alex is Principal of his consulting firm Forging Alliances Inc., a social enterprise that provides project management, strategic planning and fundraising services to a varied portfolio of nonprofit and small business clients. He is a college professor who was previously the Associate Campus Director at Ana G. Mendez University's South Florida Campus. He was also the Foundations Director at the Democracia USA project of National Council of La Raza.  Alex has a Master’s degree in International Relations from Florida International University, and has done media on a variety of topics that include transnationalism, and Latino participation in U.S. politics. He is based out of Florida.

Tina Johnson, Policy Director

tjohnson [at] usclimatenetwork [dot] org | 610-864-9929

Tina Johnson is Policy Director at USCAN, where her work focuses on coordinating USCAN members to advance policies to tackle climate change in international and domestic arenas. Previously, Tina served at the Senior Director of Environmental Justice and Programs at Energy Action Coalition.  Tina is a social justice activist who has worked to empower people to develop their individual and community power through education reform, food justice, environmental and economic justice and political justice. Her work with the Tibetan Government in Exile in India provided her with hands on experience that she has been using to fight injustice in the United States. When she is not trying to save the world Tina can be found trekking through mountains, river running, writing, and devouring a great book.

Marie Risalvato, Communications Director

mrisalvato [at] usclimatenetwork [dot] org | 352-514-3217

Marie received her Bachelor’s degree from the University of Florida in political science with an emphasis in environmental politics and sustainability. Before joining USCAN she gained experience as Web Content Manager and Assistant Office Administrator for several online businesses. Her passion for the environment and determination to work towards a sustainable future led her to Washington DC where she has been working to improve USCAN’s online resources, social media presence and other communications work.


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