Stephen Wiseman

Simpson Thacher & Bartlett LLP

$ $$$

Lexington Avenue 425
New York 10017 NY US

Stephen M. Wiseman is Counsel in the Firm’s Corporate Department. Stephen has extensive experience in mergers and acquisitions. He has represented financial advisors as well as investment firms on a number of transactions. He also has experience in ’34 Act filings, disclosure issues, financings and general corporate matters.

Recent transactions on which Stephen has worked include the representation of:

  • JPMorgan as financial advisor to Virtu Financial in its $1.4 billion acquisition of KCG Holdings, Inc.
  • JPMorgan as financial advisor to ONEOK, Inc. in its acquisition of the remaining public stake of ONEOK Partners
  • JPMorgan as financial advisor to Regency Centers in its $15.6 billion merger with Equity One
  • JPMorgan as financial advisor to Post Properties, Inc. in its merger with MAA
  • JPMorgan as financial advisor to Progressive Waste Solutions in connection with its stock for stock merger with Waste Connections, Inc.
  • HNA Group in its $446 million acquisition of ownership stake in OM Asset Management from Old Mutual
  • The Klein Group, Lazard and Morgan Stanley as financial advisors to The Dow Chemical Company in its $130 billion merger of equals with E.I. du Pont de Nemours and Company

Stephen was listed in BTI Consulting Group’s 2012 All-Star Report for Securities and M&A attorneys with top client skills. He is the author of “The Evolution of the US Public Company Governance Model” which appeared in Directors & Boards magazine and “The Pitfalls of Purchase Price Adjustments,” from the ACC Docket.

Stephen received his J.D. from Columbia Law School where he was a Harlan Fiske Stone Scholar, and his B.A., magna cum laude, from Boston University. He is admitted to practice in New York.


  • Columbia Law School, 1984 J.D.
    • Harlan Fiske Stone Scholar
  • Boston University, 1981 B.A.
    • magna cum laude

Admissions : New York 1986


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Lexington Avenue 425
New York 10017 NY US
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Lina Stillman

Broadway 42
New York 10006 NY US