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Leonard Kreynin

Mr. Kreynin is a partner in Davis Polk’s Corporate Department. His practice focuses on mergers and acquisitions, private equity transactions, joint ventures, restructurings, spinoffs, corporate governance and related matters.

Work Highlights

Notable Representations

  • SS&C Technologies in its acquisitions of Advent Software, Citigroup’s Alternative Investor Services business, Primatics Financial and Conifer Financial Services
  • BATS in a number of transactions, including its:
    • Merger with CBOE
    • Acquisition of Hotspot
    • Merger with Direct Edge to form the second-largest U.S. exchange
    • Acquisition of Chi-X
  • Syngenta in a number of transactions, including its defense of an unsolicited bid by Monsanto and technology exchange and joint venture with DuPont
  • Citigroup in a number of transactions relating to its alternative assets management business, including its sale of Citi Venture Capital International, a leader in global emerging markets private equity, to The Rohatyn Group
  • CNOOC in its acquisition of Nexen, which was the largest overseas acquisition by a Chinese company
  • ContourGlobal in a number of transactions, including its acquisition of the Vorotan hydropower complex in Armenia
  • Gain Capital in a number of acquisitions and its successful defense of an unsolicited acquisition proposal
  • Indeed, Inc. in its sale to Recruit Corporation
  • Transaction Committee of the board of directors of Quicksilver Resources in connection with a potential “going private” transaction proposed by its Chairman and CEO
  • Quicksilver Resources in the disposition of Quicksilver Gas Services, a natural gas exploration and processing company, to First Reserve
  • Metalmark Capital in numerous transactions, including with Camin Cargo Control, Hoffmaster, Tegrant, Aegis and Maxum Petroleum
  • I Squared Capital in connection with the formation of an equity partnership to construct the Oregon Clean Energy Center gas-fired power plant, acquisitions of clean energy and co-generation projects and acquisition of a district chilling system

  • Tailwind Capital in numerous transactions, including with Archway Marketing, ReTrans, Lieberman Research Worldwide, Premier Fixtures, Diversified and Technical Innovation

  • Independent Committee of the Board of Directors of GEO Group in connection with GEO's transaction with a management group and its buy-out of a majority shareholder
  • Financial Partners Fund in a management buyout of Jefferson National

  • Morgan Stanley Infrastructure Partners in its disposition of a 50% stake in SAESA, a Chilean electric utility

  • Hyosung in a number of transactions involving multinational acquisitions and long-term supply agreements

  • Morgan Stanley Infrastructure Partners in its acquisition of a cogeneration plant and distribution system from NSTAR and entry into related operating and maintenance and joint venture arrangements with Veolia

  • GHL Acquisition Corp. (SPAC) in its acquisition of Iridium

  • Citigroup in its rescue transaction with Wachovia

  • Sallie Mae in its proposed acquisition by an investor group led by J.C. Flowers

  • Health Medical Associates in its recapitalization

  • A lead investor in the acquisition of Kinder Morgan by an investor group 

  • Gillette in its acquisition by Procter & Gamble

  • Shire Pharmaceuticals in its acquisition of Transkaryotic Therapies

  • Honeywell in its acquisition and disposition of several businesses

  • Comcast in a number of transactions, including At Home restructuring, a number of cable systems acquisitions and the unwinding of Comcast’s joint venture with Insight

  • J.P. Morgan in its acquisition of Microsoft employee stock options and the related tender offer
    MascoTech in its leveraged buyout by Heartland Industrial Partners

  • Qwest Communications in its hostile bids for US WEST and Frontier and its merger with US WEST
    The Limited in its spinoff of Too, Inc.

  • Echlin in its successful defense against a hostile bid by SPX and its merger with Dana

  • Shell Oil in its joint ventures with Texaco and Saudi Aramco

Mr. Kreynin has frequently represented Metalmark Capital Partners, Tailwind Capital Partners, I Squared Capital and other private funds in their acquisitions, dispositions and investments. 


Mr. Kreynin has been recognized as a leading lawyer in:

  • Chambers Global
  • Chambers USA
  • Legal 500 U.S.

Professional History

  • Partner, 1999-present
  • Associate, 1991-1999
  • Law Clerk, Hon. Laurence H. Silberman, U.S. Court of Appeals, D.C. Circuit, 1990-1991


  • 450 Lexington Avenue
    New York, NY
    P: +1 212 450 4937
    F: +1 212 701 5937

Bar Admissions

  • State of New York


  • B.A., Columbia University, 1986
    • Phi Beta Kappa
  • M.A., Columbia University, 1987
  • J.D., Columbia Law School, 1989
    • Harlan Fiske Stone Scholar
    • Notes and Comments Editor, Columbia Law Review


  • Russian