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Melanie Santiago-Mosier

AFFILIATION: The Nature Conservancy

TITLE: Equitable Energy Transition Advisor

LOCATION: Maryland


EXPERTISE AREA: DEIJ, Energy Policy, Environmental Justice, Environmental Racism, Green Jobs/Economy, Just Transition, Renewable Energy


Melanie Santiago-Mosier is an attorney whose work focuses on the field of energy equity and justice, building on a career that has centered on clean energy policy and regulation. Currently, she serves as the Global Equitable Energy Transition Advisor for The Nature Conservancy. She enjoys working with teams to embed equity principles into their work, with the goal of supporting a just transition to a clean energy future. She has led similar work at organizations like Green & Healthy Homes Initiative, Vote Solar, and others. Melanie has more than 15 years of experience in state and federal clean energy policy development and advocacy. She has led legislative and regulatory work for for-profit energy companies, served as legislative counsel for the Maryland General Assembly, and was the first Legislative Director for the Maryland Public Service Commission. In 2015, she was named one of Maryland’s “Leading Women” by The Daily Record, Maryland’s premier business and legal news publication. In 2018, she won the C3E award for Advocacy from the DOE, Stanford, MIT, and Texas A&M. In 2019, she was awarded a WRISE Honor for Diversity, Equity, and Inclusion by Women in Renewable Industries and Sustainable Energy. In 2020, she was named one of “Maryland’s Top 100 Women” by The Daily Record. Melanie holds her JD from the University of Maryland School of Law and her BA from St. John’s College. In 2020, she earned a certificate in Diversity & Inclusion from Cornell University. She serves on a number of volunteer boards, including serving as secretary of the Climate Access Fund. Melanie enjoys hitting golf balls (she’s not good enough to call herself a “golfer”) and spoiling her cats Marvin and Millie.


Contact Melanie Santiago-Mosier at

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