A  Lang Group


     Office Locations:




  • Early
  • Seed



  • Energy & Clean Tech
  • Life Sciences & Healthcare



    Jim Lang is a Massachusetts-based angel investor and Chairman of The Lang Group. Lang focuses his investments on Clean Tech and Healthcare companies valued at $1-$3 million. Formerly, Lang was President & COO at Cambridge Energy Research Associates, a leader in energy insight, research, and consulting. Jim has a BSECE from the University of New Hampshire and a MBA from the Tuck School of Business at Dartmouth. Lang makes first or second round investments that typically range from $50,000 to $300,000 in companies that are in their first or second year of activity.

    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.
    Jim Lang Chairman


    Portfolio companies include:

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      Boston Heart Lab
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      BPG Motors
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      ORENCO Hydropower
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      Sustainability Roundtable
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      Windpole Ventures
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