PE/VC  Fairfax Partners

     Office Locations:

8300 Greensboro Drive, Suite 1040
McLean, VA 22102
Phone: 703-847-9486
Fax: 703-847-0911



  • Early
  • Middle Market



  • Communications & Networking
  • Defense & Homeland Security
  • Information Technology
  • Life Sciences & Healthcare



    Fairfax Partners has managed private equity venture funds and investment partnerships since 1989. The firm currently manages two investment funds, Fairfax Partners, LLC, its advisory and general investments arm, and Fairfax Media Partners, LLC, which has been established to invest in assets in the media, telecoms and internet sectors. Both funds are owned by three managing partners and 10 non-managing investor advisors. Since its inception, Fairfax and its investors have started more than 15 companies and invested approximately $50 million in nearly 40 private equity investments. During this period the firm has invested in both leveraged buyout/acquisition-oriented deals as well as more traditional early stage venture capital opportunities. The firm has no more than three or four active investments at any one time. Generally, Fairfax seeks to build its investments around existing companies that have revenues, cash flows and existing customer bases.

    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.
    John Kneuer Partner
    Robert Carlin Principal and Operating Partner
    Stephen W. Ritterbush Partner
    William Atkins Partner


    Portfolio companies include:

      APACHE Medical Systems
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      AppNet Systems
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      Delex Fairfax
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      ICF Kaiser
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      Indigo Medical
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      ISR Solutions
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      Vaso Products
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      Zoll Medical
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