I  Greentown Labs


     Office Locations:

28 Dane Street
Somerville, MA 02143
Phone: 888-954-6836



  • Seed



  • Energy & Clean Tech



    Founded 2011, Greentown Labs is the largest cleantech incubator in the country. Greentown Labs enables entrepreneurs to solve energy and environmental challenges, offering 40,000 sq. ft. of prototyping lab and co-located office and event space, a shared machine shop and electronics shop, immersion in a growing community of energy and clean technology entrepreneurs, and on-site events and programs designed to enable start-ups to rapidly grow their networks and their companies. Greentown Labs is currently home to more than 50 startup companies that collectively employ over 500 people.

    Investment Firm Key

       VC = Venture Capital
       PE = Private Equity
       A = Angel
       I = Incubator
       MB = Merchant Bank
       VD = Venture Debt
       FI = Family Investment Office
       FOF = Fund of Funds
       ED = Economic Development Office   
       TT = Technology Transfer Office
       CVC = Corporate Venture Capital
       SEC = Secondary Purchaser
       HF = Hedge Fund/Mutual Fund
    Venture Capital
    Seed Stage
    (includes "pre-seed," or
    concept stage)
    No Revenue
    Early StageMinimal
    Growth Stage
    (also called Mid-stage)
    Expansion Stage
    (also called Late-stage)
    $7M and greater
    Private Equity
    Lower Middle Market$10M-$249M
    Middle Market$250M-$499M
    Upper Middle Market$500M-$1B
    Large Cap>$1B

    Investment Team:

    Name   Title
    Get the complete investment team + individual email addresses for investment team partners. Get personal images, LinkedIn links, investment specialties, office locations and more with a National Database subscription.
    Adam Rein Co-Founder and Board Member
    Emily Reichert PhD Executive Director
    Jason Hanna Co-Founder and Board Chair
    Jeremy Pitts Co-Founder and Board Member
    Mark Vasu Executive Vice President


    Portfolio companies include:

        web link

      Altaeros Energies
        web link

      AMPL Energy
        web link

        web link

      Blue Sky Energy
        web link

        web link

        web link

      Dynamo Micropower
        web link

      Fusion Research Technologies
        web link

      Jordan Stephens
        web link

      Keystone Tower Systems
        web link

      OsComp Systems
        web link


    Recent News: