Marc O. Williams
  1. Partner

Mr. Williams is a partner in Davis Polk’s Corporate Department, practicing in the Mergers & Acquisitions Group.  His diverse and broad-based practice encompasses mergers and acquisitions, private equity transactions, joint ventures, collaborations and other corporate partnering transactions, restructurings and spinoffs.  Mr. Williams has extensive experience advising multinational corporations on their most critical business initiatives and transactions, including both domestic and cross-border transactions. Mr. Williams also regularly represents private equity firms and their portfolio companies.  He has handled matters across a variety of industries, with particular experience in healthcare, financial services, asset management, consumer/retail, natural resources, technology and media.  Mr. Williams also has an active practice in corporate governance and related matters.

Work Highlights

  • Roche’s acquisitions of Anadys, Flatiron Health, Foundation Medicine, InterMune, Marcadia, Memory Pharmaceuticals, Mirus Bio, Spark Therapeutics and Ventana Medical Systems
  • VF Corporation’s acquisitions of Timberland, Nautica, Icebreaker and Altra Footwear Brand; dispositions of its Nautica Brand business, Contemporary Brands Coalition and Licensed Sports Group; and spinoff of its Jeans and VF Outlet Businesses
  • Morgan Stanley’s acquisitions of E*TRADE, Eaton Vance and Solium Capital
  • Freeport-McMoRan’s acquisition of Phelps Dodge; its divestment and shareholder arrangements with Inalum relating to its Grasberg mine; and numerous other transactions
  • Comcast’s acquisition of NBCUniversal and numerous other transactions
  • Emerson’s acquisitions of Avocent and Pentair’s Valves & Control business; dispositions of its Network Power, ClosetMaid, LANDesk and motors businesses; and numerous other transactions
  • Tyson Foods’ acquisitions of AdvancePierre Foods, Keystone Foods and Hillshire Brands and sale of its poultry businesses in Mexico and Brazil
  • HSN’s acquisition by Liberty Interactive
  • CSX's settlement with Mantle Ridge and its simultaneous hiring of a new CEO
  • ConAgra's separation into two independent public companies, sale of its private label operations to Treehouse Foods, acquisition of Ralcorp and its cooperation agreement with JANA Partners
  • AstraZeneca’s acquisition of ZS Pharma
  • Santander’s acquisition of GE Capital's Mexican mortgage business and ING's Mexican mortgage business
  • Western Refining's acquisition by Tesoro Petroleum
  • Belmond in its successful defense against an unsolicited offer from Indian Hotels
  • Citi’s disposition of its commercial real estate loan portfolio through various transactions
  • Old Lane’s sale to Citigroup
  • Aetna’s acquisition of Schaller Anderson
  • FirstGroup’s acquisition of Laidlaw International
  • Texas Instruments’ sale of its Sensors & Controls business to Bain Capital
  • Argosy Gaming’s acquisition by Penn National
  • FedEx’s acquisition of Kinko’s


Professional History

  • Partner, 2006-present
  • Associate, 1998-2006

Bar Admissions

  • State of New York


  • B.A., Amherst College, 1995
    • magna cum laude
  • J.D., Harvard Law School, 1998
    • magna cum laude