Our People

Mitchelle De Leon



Mitchelle De Leon is an Associate supporting CEA’s Environmental Policy & Advocacy group. He has over five years of experience working with leading environmental organizations, public agencies, and businesses at the intersection of environmental policy, social equity, and economic development, specializing in stakeholder engagement and advocacy, program management, and organizational strategy development.

Since joining CEA in 2016, Mitchelle has served as a consultant to the Klamath River Renewal Corporation to implement the largest dam removal project in U.S. history by decommission four hydroelectric dams on the Klamath River. He currently manages a portfolio of stakeholder engagement initiatives in an effort to mitigate project risks, ensure transparency, and build trust with stakeholders in the context of the Klamath Basin’s complex natural resource management history.

At CEA, Mitchelle also designs high-impact strategies for leading environmental organizations to address local, regional, and global environmental challenges and opportunities, including ecosystem resilience, monarch butterfly population recovery, big data and artificial intelligence, and climate change mitigation in the transportation sector.

Prior to joining CEA, Mitchelle served as a CivicSpark AmeriCorps Fellow with the Local Government Commission in Fresno, CA, where he worked to build local government capacity on sustainable groundwater management, the water-energy nexus, and transportation electrification. As a student, he served on the leadership of the Sierra Student Coalition, the Sierra Club’s youth chapter, where he trained youth leaders across the country on grassroots organizing to advance climate justice and developed strategies for a nationwide youth-led clean energy campaign.

Mitchelle holds a B.S. in Economics with an emphasis in Finance from California State University, Bakersfield. He is an appointed commissioner with the City of Berkeley’s Community Environmental Advisory Commission.