A port of call for investment banks, public pension funds, and logistic entities, Boies Schiller Flexner LLP represents clients from these industries in alleged misconduct and competing control-related accusations. Individuals come to the doors of the practice in SPAC-litigation, which includes a recent defense-side victory on behalf of an individual sued as a director concerning alleged breaches of fiduciary duty in connection with a de-SPAC transaction. John Zach and Renee Zaytsev jointly head the firm. Zaytsev represents private equity firms and corporate leaders, while Zach defends financial institutions and high-net-worth individuals. Frederick Lee joined the firm in November 2025, and Nili Moghaddam departed in April 2025.
Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

  • ‘John Zach is exceptional and simply world-class. I could not recommend him further for his care, sophistication, diligence and effectiveness.’

  • ‘Smartest attorneys hands down.’
  • ‘Whip smart, strategic, personable.’ 

Key clients

  • Oak Lane Partners, LLC, Main One Technology Solutions, LLC, SrcOne, LLC
  • Martin Luther King, III
  • Vestar Capital Partners
  • Devon Archer

Work highlights

Successfully defended a motion for a preliminary injunction brought by four individuals seeking to enjoin arbitration commenced by Vestar Capital Partners related to its purchase of a 70% stake in a food manufacturing company.
Obtained a rare defense-side victory in the SPAC-litigation arena on behalf of Martin Luther King III, who was sued as a director in connection with a de-SPAC transaction, BSF crafted a laches argument that resulted in the dismissal of the entire case.
Successfully represented former Burisma board member and Hunter Biden associate Devon Archer in connection with a securities fraud prosecution in the S.D.N.Y. and in an SEC investigation where the SEC sought restrictions on his ability to work in securities-related positions.
Practice head

John Zach; Renee Zaytsev

Other key lawyers

Matthew Schwartz; Marc Ayala