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Peter H. Lieberman is a founding member and Co-Chair of the Firm’s Private Equity Practice. He previously served as Deputy Co-Chair and later Co-Chair of the Global Corporate Practice. With more than 35 years of experience, Peter advises clients on sophisticated matters, including mergers and acquisitions, private equity and management buyouts, public company and hedge fund transactions, structured equity and hybrid capital matters, start-up and venture capital financings, and complex securities trading and structuring.

Throughout his career, Peter has served as a trusted advisor to management teams, private equity firms, boards of directors, special committees, and controlling interest holders on issues of change-of-control, conflicts, governance, investment, and other complex strategic issues. His industry experience spans technology, software, health care, consumer products, education, manufacturing, financial services, and industrials, among others.

Peter trained at the New York law firm of Wachtell, Lipton, Rosen & Katz, where he was involved in both hostile and negotiated transactions, including proxy contests and the implementation of takeover defenses. In Chambers USA (2022), clients described him as “an extraordinary attorney” and “simply amongst the finest attorneys and providers of legal and commercial judgment I have ever worked with,” praising his “highest levels of sophistication, service, and commercial awareness.”

Peter has advised private equity funds such as Arlington Capital, Brentwood Associates, Hilco Global, Red Arts Capital, Rotunda Capital, Vista Equity Partners, Washington Equity, and others. He has regularly acted for management teams and founders in their most significant transactions.

Capabilities

Experience

  • Represented the management team of MidCap Financial in MidCap’s formation transaction with affiliates of three leading private equity funds, and then represented MidCap and its management teams in the subsequent acquisition by an entity managed by Apollo Global Management, LLC, a leading global investment manager.
  • Represented Founders Brewing Co., one of the nation’s leading craft brewers, and its management team, in Founders’ partnership with, and 30 percent minority investment by, Mahou San Miguel, Spain’s leading brewer for 125 years and which is 100 percent family owned.
  • Represented certain members of senior management of DoubleClick in the buyout of the Company by leading PE firm Hellman & Friedman, and in subsequent relationship with Google following its acquisition of DoubleClick.
  • Represented the management team of Cornerstone Brands in the buyout of Cornerstone by IAC/InterActiveCorp (and its subsidiary, the Home Shopping Network).
  • Key member of hedge fund investor representation team that handled approximately 350 PIPE and similar transactions from 2004 to 2014.

Recognition & Leadership

  • Listed, The Best Lawyers in America
    • Mergers and Acquisitions Law, 2007-2026
    • Corporate Law, 2026
  • Listed, Leading Lawyers Network, 2005-2026
  • Listed, IFLR1000, "Highly Regarded," Private Equity and M&A, 2020-2025
  • Listed, "Forty Under Forty," Crain's Chicago Business, 2000
  • Former Adjunct Professor, Northwestern University School of Law

Credentials

Education
  • J.D., cum laude, Harvard Law School, 1988
    • Editor, Harvard Law Review
  • Master's in Public Policy, Harvard University, John F. Kennedy School of Government, 1988
  • A.B., University of Michigan, 1984
    • Phi Beta Kappa
    • Angell Scholar
Admissions
  • Illinois
  • New York

Related Capabilities

Corporate Private Equity Mergers & Acquisitions Capital Markets Food, Beverage & Agribusiness