Mark A. Stagliano


Mark A. Stagliano

Mark Stagliano is a partner in the Corporate Department at Wachtell, Lipton, Rosen & Katz’s Corporate Department.

 Mark’s practice focuses on mergers and acquisitions, securities matters and corporate governance.  He has advised companies in a variety of industries on a wide range of matters, including domestic and cross-border acquisitions and divestitures, IPOs and other capital market transactions, spin-offs, joint ventures, private equity transactions, as well as takeover defense, shareholder activism and proxy contests.

In 2020, Mark was named a “Rising Star” by The Deal, which recognized him as one of the 28 most promising new M&A partners.

Mark received a B.A. summa cum laude from the University of Pennsylvania in 2007 and a J.D. magna cum laude from Harvard Law School in 2011.

Selected recent representations include:

  • Uber Technologies in its $2.65 billion acquisition of Postmates
  • United Technologies in its $147 billion merger of equals with Raytheon, its $30.3 billion acquisition of Rockwell Collins, its spin-offs of Carrier Global and Otis Worldwide, its $1.925 billion sale of its military GPS business to BAE Systems and numerous other transactions
  • T-Mobile and Deutsche Telekom in the $146 billion combination of T-Mobile and Sprint, the $5 billion sale of Sprint’s prepaid wireless business to DISH, and the combination of T-Mobile with MetroPCS at a $30 billion enterprise valuation
  • Pfizer in its $5.2 billion acquisition of Anacor Pharmaceuticals and its agreed $160 billion combination with Allergan plc
  • HP Inc. in its successful defense against the $34 billion unsolicited exchange offer and associated proxy contest by Xerox
  • Monsanto in its $66 billion acquisition by Bayer AG
  • Gap Inc. in its now-abandoned separation into two independent public companies
  • Mondelez in its approximately $500 million acquisition of Tate’s Bake Shop
  • Alcoa in its separation into two public companies, Arconic and Alcoa, and Arconic in its separation into two public companies, Arconic and Howmet Aerospace
  • Arconic in its proxy contest and settlement agreements with Elliott Management
  • Gramercy Property Trust in its $7.6 billion acquisition by Blackstone
  • MeadWestvaco in its $16 billion combination with Rock-Tenn
  • Publicis Groupe S.A. in its $3.7 billion acquisition of Sapient Corporation
  • Saks Inc. in its $2.9 billion sale to Hudson’s Bay
  • Sears Holdings in its $1.6 billion rights offering for Seritage Growth Properties and joint venture transactions with Macerich, Simon Properties Group and General Growth Properties
  • Expedia in its $270 million investment in Despegar and the subsequent IPO of Despegar
  • Valero Energy Corp. in its $2.1 billion spinoff of CST Brands
  • Berry Plastics Group in its $470 million IPO