Meet the Team

Accelerating the world
to 100% clean energy

    We are a team of entrepreneurs, coders, finance experts and changemakers. We want to create a world that is powered by abundant clean energy and owned by people like me and you. We’re excited to build that world with you.

    Mosaic Executive Team

  • Billy Parish

    Billy Parish

    Founder/Chief Executive Officer

    Founded and grew the Energy Action Coalition into the world’s largest youth clean energy organization (300k members).

  • Dan Rosen

    Dan Rosen


    Clean energy entrepreneur working in Israel and rural native communities in the Southwest. Recognized twice by Forbes as “30 under-30” for energy.

  • Tony Bako

    Tony Bako

    Chief Technology Officer

    Former VP of Engineering at Cramster (acquired by Chegg), and VP of Engineering at Chegg.

  • Bruce Ledesma

    Bruce Ledesma

    Chief Operating Officer

    Former EVP/General Counsel at publicly traded global solar company (SunPower Corp, sold to Total S.A.) and financial services company (Barra, sold to Morgan Stanley).

  • Olaf Janke

    Olaf Janke

    Chief Financial Officer

    Former CFO of Aequitas Capital Management and Fairway America. Investment banker at GE Capital, JP Morgan and Credit Suisse.

  • Ted Fawcett

    Ted Fawcett

    Vice President of Sales

    Led nationwide residential solar sales and strategy for Admirals Bank and senior sales positions at Clean Power Finance and Sungevity.

  • Mosaic Board

  • Robert Kelley

    Robert Kelley

    Board Member

    Former CFO of SolarCity, Calera and Calpine. Raised over $51 Billion to finance clean energy projects.

  • Lisa Gansky

    Lisa Gansky

    Board Member

    Co-founder of Ofoto, an angel investor and author of the bestseller, ‘The Mesh: Why the Future of Business is Sharing’.

  • Tom Dinwoodie

    Tom Dinwoodie

    Board Member

    Solar pioneer and founder of PowerLight Corporation, which later merged with SunPower, where he served as CTO.