Katherine L. Chasmar


Katherine L. Chasmar

Katherine L. Chasmar practices in Wachtell Lipton’s corporate department, focusing primarily on mergers and acquisitions, corporate governance and securities law matters.  She represents public and private clients across industries on a wide range of matters, including domestic and cross-border acquisitions and dispositions, joint ventures, strategic investments, financings and private equity transactions, as well as takeover defense, shareholder activism and corporate governance matters.  She has been named a “Rising Star” in New York by Super Lawyers.

Selected representations include:

  • Uber Technologies in the sale of its autonomous vehicle technologies subsidiary to, and commercial collaboration with, Aurora Innovation
  • Uber Technologies in its $2.65 billion acquisition of Postmates
  • TD Ameritrade in its $26 billion merger with Charles Schwab
  • South State in its $6 billion merger of equals with CenterState
  • T-Mobile and Deutsche Telekom in the $146 billion combination of T-Mobile and Sprint
  • Pfizer in its formation of a premier global consumer healthcare joint venture with GlaxoSmithKline, its $5.2 billion acquisition of Anacor Pharmaceuticals and its agreed $160 billion combination with Allergan plc
  • The Carlyle Group in its $6.7 billion acquisition of a controlling stake in Sedgwick from KKR
  • Monsanto in its $66 billion acquisition by Bayer AG
  • Bankrate in its $1.4 billion acquisition by Red Ventures, and Red Ventures in its subsequent divestiture of Bankrate’s Caring.com business

Katherine is a Lecturer at Harvard Law School, where she co-teaches an advanced Mergers & Acquisitions course.  She also maintains an active pro bono practice, representing low income women who are victims of domestic violence in immigration matters in partnership with Her Justice, a non-profit organization.

Katherine received a B.A. summa cum laude in Economics from Queen’s University in 2009. She received a J.D. magna cum laude from Harvard Law School, where she served as an editor of the Harvard Law Review, and an M.B.A. from Harvard Business School, in 2015.

Prior to joining the firm, Katherine worked as an investment analyst at Morgan Stanley in London. While pursuing her graduate degrees, she worked as a summer fellow at the World Bank in Washington, D.C. and as a summer associate at McKinsey & Company in New York.

Katherine is admitted to practice law in New York.

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