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William H. Aaronson
Partner
As a member of our Corporate Department in New York and Menlo Park, California, Mr. Aaronson’s practice focuses on public and private mergers and acquisitions transactions and joint ventures and other corporate partnering arrangements.
Contact
Related Practices
Bar Admissions
  • State of New York
  • State of California
Education
  • B.A., Johns Hopkins University, 1992
    • Phi Beta Kappa
  • J.D., Harvard Law School, 1995
    • magna cum laude

Work Highlights
  • Comcast’s pending acquisition of a controlling interest in NBC Universal and acquisitions of AT&T Broadband, Daily Candy, Fandango and Plaxo 
  • Tyco Electronics’ divestitures of its wireless, integrated products and automotive sensors businesses
  • AmerisourceBergen’s combination of its institutional pharmacy business, PharMerica Long-Term Care, with Kindred Pharmacy Services, the institutional pharmacy business of Kindred Healthcare
  • Quadrangle Group’s acquisition of Dennis Publishing and divestiture of PGA
  • Dufry AG’s acquisition of Hudson Group Holdings
  • the combination of the recorded music businesses of Bertelsmann Music Group and Sony Music Group
  • Oracle’s acquisitions of Siebel Systems, Portal Software and MetaSolv
  • KLA-Tencor’s acquisition of ADE
  • the restructuring of Time Warner Entertainment
  • International Paper’s acquisition of Champion International
  • Qwest’s acquisition of US West
  • CVS’s acquisition of Revco
  • USF&G’s acquisition by St. Paul
  • Jefferson Smurfit’s acquisition of Stone Container
Recognition
In October 2007, The New York Times listed Mr. Aaronson, along with several other Davis Polk partners, as one of the leading dealmakers on Wall Street under 40 years of age (“Facebook of Wall Street’s Future,” NYT, Oct. 3, 2007).
Professional History
  • Partner, 2003-present
  • Associate, 1995-2003