Seth Mullendore

Clean Energy Group President and Executive Director 

Seth Mullendore is president and executive director of Clean Energy Group (CEG), where he oversees the organization’s mission to advance energy justice and catalyze innovative energy strategies to address the climate crisis. He previously served as vice president and a project director for CEG, leading efforts to enable greater access to the benefits of solar PV and battery storage technologies for low-income communities and communities of color and working with community-based partners to phase out polluting power plants with clean alternatives. Seth has contributed to multiple academic publications, including authoring a chapter on energy justice for the 2022 book “Environmental Justice and Resiliency in an Age of Uncertainty.”

Prior to joining CEG, Seth served as a Sustainable Energy Fellow with Union of Concerned Scientists and worked with Maine Clean Communities to advance clean transportation initiatives. Before shifting careers to focus on energy and equity, Seth worked in the technology sector where he founded and managed a web development and online engagement company specializing in outreach services for colleges and universities. Seth currently serves as an advisory board member for Collective Energy, a mission-oriented company specializing in bringing clean and reliable power to non-profit community health centers; as member of the board for the Clean Energy States Alliance; and on the Development Review Board for Plainfield, Vermont, where he lives with his family. Seth holds a M.S. in Civil & Environmental Engineering from Stanford University and a B.S. in Geosciences from the University of Southern Maine.