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Charles I. Cogut
Retired Partner
425 Lexington Avenue
New York, NY 10017 
Phone: +1-212-455-2550
Fax: +1-212-455-2502
A recognized leader in mergers and acquisitions and private equity transactions, Casey Cogut concentrated his prolific work on domestic, international and complex multi-jurisdictional mergers and acquisitions; representation of special board committees; buyouts and other transactions involving private equity firms and corporate governance matters.  Over the course of his four-decade career, Casey’s clients have included KKR, JLL Partners, Silver Lake Partners, Microsoft, Wyeth, Toll Brothers, BD, Aramark and Mosaic. Casey’s myriad of honors include being named a “Senior Statesman” in his fields by Chambers; among “The Best of the Best” M&A, private equity and governance lawyers by Euromoney; and twice a “Dealmaker of the Year” by The American Lawyer. He is also a member of the Board of Overseers of the University of Pennsylvania Law School, where he was recognized in 2013 for his professional achievement and service to Penn Law with the Alumni Award of Merit and where he serves as a member of the adjunct faculty.  Casey also serves as a trustee of the nonprofit Cold Spring Harbor Laboratory. In addition, he led the team representing the City of New York on a pro bono basis in connection with the formation of the Trust for Governors Island.

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Work Highlights
  • Eaton Corporation in its $11.8 billion acquisition of Cooper Industries
  • Microsoft in its $8.5 billion acquisition of Skype
  • Special Committee of the Board of Directors of the Mosaic Company in the split-off and distribution of Cargill’s 64% stake in Mosaic, valued at approximately $24 billion
  • Wyeth in its $68 billion sale to Pfizer
  • University of Pennsylvania Law School, 1973 J.D.
  • Lehigh University, 1969 B.A.
    summa cum laude
  • New York City Bar Association
  • International Bar Association
  • New York 1974
  • Southern District of New York 1974

Charles “Casey” Cogut was for many years a leading member of STB’s M&A and Private Equity Practices. He specialized in domestic, international and cross-border mergers and acquisitions; the representation of special committees of boards of directors; and buyouts and other transactions involving private equity firms. 

Over the course of his career, Casey often has been involved in coordinating teams of professionals in complex multi-jurisdictional acquisitions. In addition, he regularly advised boards of directors with respect to corporate governance matters and fiduciary responsibilities. Casey joined the Firm in 1973 and became a Partner at Simpson Thacher in 1980. From 1990 through 1993, he served as Senior Resident Partner in the Firm’s London office.

Casey represented Eaton Corp. in its acquisition of Cooper Industries, Microsoft Corporation in connection with its acquisition of Skype Global S.à r.l. and Sealed Air Corporation in its acquisition of Diversey Holdings, Inc. He also represented The Mosaic Company in connection with the split-off by Cargill, Incorporated of its approximately 286-million share position in Mosaic in a transaction valued at approximately $24 billion. Casey has been integral to the Firm’s representation of Kohlberg Kravis Roberts & Co. and its portfolio companies for more than 20 years. He also regularly represented other private equity firms such as Silver Lake Partners, JLL Partners and Sageview Capital and other corporate clients such as BD and Toll Brothers.

Casey is well recognized as one of the leading corporate lawyers in the United States. He has been named a “senior statesman” in the practice areas of Corporate-Mergers and Acquisitions and Private Equity/Buyouts in Chambers Global and Chambers USA Guides. He has also been named as one of “The Best of the Best” merger and acquisition lawyers, private equity lawyers and governance lawyers in Euromoney’s Expert Guides. Casey was named as a Deal Maker of the Year by The American Lawyer in both 2008 and 2010 with respect to transactions completed in 2007 and 2009.

Casey received his J.D. in 1973 from the University of Pennsylvania Law School after graduating summa cum laude from Lehigh University in 1969. He is a member of the Board of Overseers of the University of Pennsylvania Law School; Co-Chair of the Board of Advisors of the University’s Institute for Law and Economics; and a member of the Law School’s adjunct faculty. He also is a member of the Board of Trustees of Cold Spring Harbor Laboratory.

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