Yosef Riemer is a litigation partner at Kirkland & Ellis LLP, which was named "Litigation Department of the Year" by The American Lawyer. He has extensive experience as lead trial and appellate counsel for a broad group of clients, handling their most significant disputes including: breach of contract claims; antitrust cases; litigation over M&A and corporate control matters; securities, fraud and class action litigation; trade secret cases; RICO actions; and contested restructuring matters. He has achieved consistently strong results, whether by winning litigation on pretrial motions, in victories at trial in Federal and State courts and before arbitrators, or in negotiating favorable settlements.


Thought Leadership


Panelist, “Developments in Corporate Governance,” The 34th Annual Federal Securities Institute, February 4–5, 2016.

Speaker, “Delaware Law: New Developments and Updates,” Thomson Reuters' & The Florida Bar Business Law Section's 32nd Annual Federal Securities Institute, February 6–7, 2014.


Listed as a “Litigation Star,” Benchmark Litigation, 2019–2024.

Listed as a “Litigation Trailblazer” in the National Law Journal 2016 edition.

Listed as a “Recognized Practitioner” for Litigation: Securities [New York] in the Chambers USA 2016–2017 editions.

Named to "Hall of Fame" for M&A Litigation: Defense in The Legal 500 United States 2020–2023 editions; listed as a “Leading Lawyer” for M&A Litigation: Defense 2012–2019 editions; and recognized for M&A: Litigation and Securities: Shareholder Litigation 2012–2019 editions.


Admissions & Qualifications

  • 1985Maryland
  • 1985District of Columbia
  • 1995New York


  • The George Washington University Law SchoolJ.D.summa cum laude1984

    Member, George Washington Law Review

    First place, Jessup Moot Court competition

  • Brandeis UniversityB.A.cum laude1978