Matt Petersen is the President and Chief Executive Officer of the Los Angeles Cleantech Incubator (LACI). LACI is focused on building an inclusive green economy by empowering cleantech startups, transforming markets, and enhancing communities in Los Angeles and beyond. Before joining LACI in 2017, Petersen served as the City of Los Angeles' first Chief Sustainability Officer. In that role, Petersen was the chief architect of the groundbreaking Sustainable City pLAn.

Previously, Petersen led Global Green USA, where he championed greening affordable housing, schools, and cities; climate equity; and the green rebuilding of New Orleans after Hurricane Katrina. Petersen helped create Climate Mayors and currently serves as Board Chair. He also serves as Director of the Metropolitan Water District; Board Member of Habitat for Humanity of Greater Los Angeles, the Center for Environmental Health, and the Sir Edmund Hilary Institute for International Leadership; and Member of the Council on Foreign Relations and the Pacific Council on International Policy.

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