Polina A. Demina

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About Polina

Polina’s practice focuses on mergers & acquisitions and other complex corporate transactions, including strategic investments, joint ventures and divestitures. Her clients include a range of public and private companies across multiple industries. She has significant experience in counseling companies and their boards of directors in connection with mergers & acquisitions, corporate governance, activism and takeover defense matters.

Polina’s notable representations have included advising:

Life sciences

  • Adamas Pharmaceuticals in its sale to Supernus for $450 million
  • Bayer in its acquisition of Monsanto for $66 billion*
  • Erytech Pharma in the sale of its Princeton cell therapy manufacturing facility to Catalent for $44.5 million
  • Five Prime Therapeutics in its sale to Amgen for $1.9 billion
  • Marker Therapeutics in its sale of certain cell manufacturing assets to CellReady
  • M8 Pharmaceuticals in its sale to Acino
  • Morphimmune in its stock‑for‑stock merger with Immunome and concurrent $125 million private investment in public equity (PIPE)
  • Quince Therapeutics in the sale of its legacy protease inhibitor portfolio to Lighthouse Pharmaceuticals


  • Allovue in its sale to PowerSchool
  • Carmera in its sale to Woven Planet, a subsidiary of Toyota Motor Corporation
  • DISH Network in multiple acquisitions, including:
    • the purchase of the Boost Mobile business from T‑Mobile and Sprint for $1.4 billion and the option to purchase Sprint’s 800 MHz band spectrum licenses for $3.6 billion*
    • the purchase of certain satellite assets from EchoStar Corporation*
  • Everbridge in its agreement to be acquired by an affiliate of Thoma Bravo for $1.5 billion
  • Experian in its acquisition of Gabi Personal Insurance Agency for $320 million
  • Netflix in its acquisition of Spry Fox
  • Zipwhip in its sale to Twilio for $850 million

Consumer and retail

  • Act III Holdings in its investments in Tatte Bakery & Cafe and BJ’s Restaurant & Brewhouse*
  • Aurobindo Pharma in the sale of its Natrol supplements business to an affiliate of New Mountain Capital to combine it with Jarrow Formulas for $550 million*
  • Kraft Foods Group in its $55 billion merger with H.J. Heinz Company to create The Kraft Heinz Company*
  • Panera Bread in its sale to an affiliate of JAB Holding Company for $7.5 billion*
  • Sol de Janeiro in its sale to L’Occitane for $450 million


  • Motivate International (owner and operator of Citi Bike and other bike-sharing programs) in its sale to Lyft*
  • Navistar in its $3.7 billion sale to Traton and prior strategic alliance with Traton, including an equity investment, collaboration agreements and a joint venture*

Oil and gas/manufacturing/infrastructure

  • Andeavor in its stock-for-stock merger with Marathon Petroleum Corporation valued at $23.3 billion*
  • Global Infrastructure Solutions in its acquisition of Hill International for $250 million
  • NewPage Holdings in its sale to Verso Corporation for $1.4 billion and related regulatory divestitures*

Financial advisory

  • Centerview as financial adviser to:
    • Sovos Brands in its agreement to sell to Campbell Soup Company for $2.7 billion
  • Qatalyst Partners as financial adviser to:
    • Cvent in its sale to an affiliate of Blackstone for $4.6 billion
    • iRobot in its agreement to sell to Amazon for $1.7 billion
    • Splunk in its agreement to sell to Cisco for $28 billion
  • Morgan Stanley as financial adviser to:
    • Broadcom in its acquisition of VMware for $61 billion

Shareholder activism

  • Everbridge in its interactions with Ancora Advisors
  • Navistar in its interactions with Carl Icahn and Mark Rachesky*

* Representation handled prior to joining Cooley

Before joining Cooley, Polina was an associate at Sullivan & Cromwell LLP in New York.

While at Michigan Law, Polina was an editor for The Michigan Law Review and published her note, “Broker-Dealers and Investment Advisers: A Behavioral-Economics Analysis of Competing Suggestions for Reform,” in the December 2014 edition of the journal, for which she won The Richard J. Davis Ethics, Legal, and Regulatory Insight Award from the Investments & Wealth Institute in 2015.


University of Michigan Law School
JD, 2014, cum laude

University of Cambridge
MPhil, 2009, Linguistics

University of Kansas
BA, 2008, Philosophy

Rankings & accolades

Super Lawyers: Rising Star (2019 – 2023)

The Investments & Wealth Institute’s Richard J. Davis Ethics, Legal, Regulatory Insight Award (2015)