WHO WE ARE

Climate Jobs New York is a coalition of labor unions leading the fight for an equitable, resilient, and unionized clean energy economy.

Our mission is to educate, organize, and advocate for a clean energy future at the scale that climate science demands –one that creates and protects good union jobs, centers working people, and builds stronger, more resilient communities across New York State.

Our team

  • Esther Rosario

    EXECUTIVE DIRECTOR

    Esther Rosario serves as the Executive Director of Climate Jobs New York, where she leads statewide efforts to drive a clean energy transition grounded in equity, sustainability, and the creation of strong union jobs.

    Prior to joining CJNY, Esther served as Chief of Staff to the New York State Senate Labor Chair, where she helped lead successful campaigns to raise the minimum wage, expand access to child care, strengthen prevailing wage standards in renewable energy, and advance critical worker protections statewide. Her earlier roles include Press Secretary for the NYC Mayor’s Office of Immigrant Affairs and Policy Analyst in the Office of the Deputy Mayor for Health and Human Services. Esther also served in the Peace Corps in Colombia, where she collaborated with local leaders, youth, and international partners to develop sustainable community programs.

  • Josh Kellermann

    DIRECTOR OF POLICY AND RESEARCH

    Josh Kellermann is the Director of Policy and Research for Climate Jobs New York, where he leads work at the intersection of climate action and workers rights. Previously, Josh spent seven years as the Director of Public Policy at the RWDSU International Union. Josh holds both a J.D. of law and a Masters in International/Global Studies from the University of Oregon.

  • Mario Ferone

    LONG ISLAND ORGANIZER

    Mario Ferone is the Long Island Organizer for Climate Jobs NY, where he leads labor-focused climate advocacy and coalition-building across the region. He previously spent six years in the New York State Legislature, serving as Chief of Staff to Assemblywoman Gina Sillitti and Director of Operations for Senator Jim Gaughran. Mario has worked on numerous local political campaigns, giving him deep experience in Long Island’s political landscape.