FacultyFaculty/Author Profile

Mario A. Ponce

Simpson Thacher & Bartlett LLP

New York, NY, USA

Mario Ponce is a Partner in the Firm’s Corporate Department and serves as Co-Head of the Mergers and Acquisitions Practice and a member of the Executive Committee. His practice focuses on negotiated and hostile merger and acquisition transactions, proxy contests, restructurings, joint ventures and securities laws. He regularly represents strategic clients, investment banks and private equity firms. Mario also advises boards on corporate governance matters, fiduciary duties and shareholder activism.

Mario’s clients have included Allegion plc, Alpharma, Inc., American Electric Power, Aramark Corporation, Arch Coal, Beazer Homes, Becton Dickinson, C.R. Bard & Co., Eaton Corporation, Emerson Electric Co., General Instrument Corporation, Georgia Pacific Corporation, Goldman, Sachs & Co., Ingersoll-Rand Corporation, ITC Corporation, JPMorgan Chase & Co., Keyspan Corporation, KKR & Co., Krispy Kreme, Lazard Frères & Co., MCI Inc., Newell Rubbermaid, Owens & Minor Inc., Office Depot, PPL Corporation, SBA Communications Corp., Teleflex Incorporated, Walgreens Boots Alliance, Willamette Industries, Inc. and Xerox Corporation.

Mario is currently representing Walgreens Boots Alliance in its pending purchase of 2,186 Rite Aid Corporation stores for $5.175 billion and Teleflex Incorporated with respect to its pending acquisition of Neotract, Inc. for $1.1 billion. He recently represented Krispy Kreme Doughnuts in its $1.35 billion sale to JAB Holding; ITC in its $11.3 billion acquisition by Fortis; and American Electric Power in its $2.17 billion sale of competitive power plants to a Blackstone and ArcLight JV. 

Mario has been engaged in many significant defense matters, including the defense of Alpharma Inc. in connection with the hostile tender offer initiated by, and subsequent merger with, King Pharmaceuticals, Inc.; WCI Communities, Inc., regarding its defense of a proxy contest and hostile tender offer initiated by affiliates of Carl Icahn; Nautilus Inc. in its proxy fight with Sherborne Investors; Willamette Industries, Inc., with respect to the hostile offer and proxy contest initiated by Weyerhaeuser Company; Kemper Corporation in its defense of the hostile offer launched by General Electric Capital Corporation; and various corporations in connection with activist situations involving funds such as Trian Partners, ValueAct Capital, Starboard Value, Scopia Capital Management, Jana Partners, Barington Capital, Clinton Capital, Sherborne Investors and others.

Mario received his B.A., summa cum laude and Phi Beta Kappa, from the University of Richmond in 1984 and his J.D. with honors from Duke Law School in 1988. He serves on the Board of Visitors of Duke Law School and lectures frequently on topics relating to his professional interests.

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