Harold Birnbaum
  1. Partner

Mr. Birnbaum is a partner in Davis Polk’s Corporate Department, practicing in the Mergers and Acquisitions Group. He advises U.S. and international corporate and private equity clients on a full range of public and private transactions, both domestic and cross-border. His experience includes mergers, acquisitions, investments, joint ventures, collaborations, spinoffs, restructurings, special committee representations and defensive and corporate governance advice.

Work Highlights

  • A.P. Møller – Marks on forming a broad strategic relationship with IBM to provide more efficient and secure methods for conducting global trade using blockchain technology
  • Aetna on numerous transactions, including its pending $77 billion acquisition by CVS Health, and terminated $37 billion acquisition of Humana and its related divestiture transactions with Molina
  • PricewaterhouseCoopers on numerous transactions, including the formation of its Global Enterprise Tax Solutions Group comprised of the former GE Tax Group and its acquisition of Booz & Company
  • Reckitt Benckiser on its $17.9 billion acquisition of Mead Johnson Nutrition
  • Wells Fargo Asset Management on the sale of its majority interest in The Rock Creek Group
  • Hearthside Food Solutions, Goldman Sachs’s merchant banking division and Vestar Capital Partners on the sale of Hearthside to Partners Group and Charlesbank Capital Partners
  • Ankura on its acquisition of c3/consulting
  • Lightyear Capital on numerous transactions, including its sale of RidgeWorth Investments and its sale of Clarion Partners
  • Atairos on numerous transactions, including its investments in Groupon and Bowlmor AMF
  • Baker Hughes in its combination with GE Oil & Gas
  • Goldman Sachs' Merchant Banking Division and its consortium partners on the $2.2 billion preferred financing of Bass Pro Shops' $5.5 billion pending acquisition of Cabela's
  • Crestview Partners on numerous transactions, including its sale of Symbion, its sale of Munder Capital and its acquisition of Victory Capital
  • Mercer on its investment in Benefitfocus
  • Comcast on the strategic investment by NBCUniversal in BuzzFeed
  • Indeed on its acquisition by Recruit
  • Tyson Foods on its contested $8.5 billion acquisition of Hillshire Brands
  • Thomas & Betts on its $3.9 billion acquisition by ABB
  • MSCI on its sale of Institutional Shareholder Services (ISS)
  • Credit Suisse on the spinout of DLJ Merchant Banking
  • Smith & Nephew in the formation of Bioventus, a biologics joint venture with Essex Woodlands
  • Federal Reserve Bank of New York and the U.S. Treasury in connection with the recapitalization of AIG
  • ExxonMobil on its acquisition of XTO Energy

Professional History

  • Davis Polk since 2008
  • Partner, 2016-present

Practice Focus

Bar Admissions

  • State of New York


  • B.A., Russian Literature, Harvard University, 2004
    • summa cum laude
  • J.D., Harvard Law School, 2008
    • magna cum laude