VC  NGEN Partners

     Office Locations:

733 Third Ave., 18th Floor
New York, NY 10017
Phone: 212-450-9700
Fax: 805-564-1669



  • Early
  • Expansion
  • Growth



  • Energy & Clean Tech



    Founded in 2001, NGEN Partners, LLC is a venture investing firm that invests in Cleantech and other technologies enabled by Materials Science. NGEN invests in emerging businesses that have differentiated and protected technology, validated large markets, and customer visibility. Fields of interest include: Energy and efficiency technologies; Green buildings; Pollution abatement; and Water purification and monitoring. The firm usually invests in post-prototype, early and mid-stage rounds. NGEN seeks to diversify its investments across sector and stage, typically investing $5-10M in companies with post-prototype products or services, proven customer value propositions, and large addressable markets. The firm has $500 million under management and has offices in Silicon Valley, Southern California, and New York.

    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 or New York Database subscription.
    Peter Grubstein Founder and Managing Director
    Richard Jahn Chief Financial Officer
    Rosemary Ripley Managing Director
    Shay Murphy Partner
    Stephen Koopman Project Manager


    Recent Funding Events (trailing 12 months):










      Series D


    Portfolio companies include:

      Adura Technologies
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      Alterra Power
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      Artificial Muscle
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      Bare Snacks
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      Catalytic Solutions
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      Choose Energy
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      DIRTT Environmental Solutions
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      eIQ Energy
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      eps corp
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      eRecycling Corps
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      Fallbrook Technologies
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      Native Foods Cafe
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      nlyte Software
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      Plutonic Power
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      Pure Energies
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      Rayne Water
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      REGEN Energy
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      Renaissance Lighting
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      Renew Financial
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      Renewable Funding
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      Threshold Power
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      Tioga Energy
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      Two Moms in the Raw
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      Venture Vehicles
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