Neal I. Aizenstein


I work closely with clients to collaboratively and proactively guide them through all stages of their business development and help them accomplish their strategic objectives.

Neal is a founding partner of Cooley’s Chicago office, and represents strategic acquirers and founders in public and private acquisitions, mergers, dispositions, and joint ventures. He routinely represents global companies on cross-border transactions. Neal’s practice also includes advising public companies on corporate governance matters and securities offerings, as well as counseling boards of directors, board committees, and executive officers in connection with day-to-day and extraordinary events. Before joining Cooley, Neal was chair of the Chicago corporate group at DLA Piper.

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  • Northwestern University Pritzker School of Law
    JD, cum laude, Lowden-Wigmore Prize for Legal Scholarship, 1987

  • University of Illinois Urbana-Champaign
    BS, Accounting, Bronze Tablet, 1984

Admissions & Credentials



  • American Bar Association

  • Chicago Bar Association

Rankings & Accolades

    Chambers USA: Corporate/M&A – Illinois (2022)