Samuel Leifer represents clients facing complex litigation matters. Prior to joining WilmerHale, he was a litigation associate at Wachtell, Lipton, Rosen & Katz and clerked for the Honorable A. Raymond Randolph of the US Court of Appeals for the District of Columbia Circuit. 

While pursuing his legal education, Mr. Leifer worked as a student attorney in the Michigan Law School Child Advocacy Law Clinic. Prior to law school, he served as an AmeriCorps program coordinator for a nonprofit in San Angelo, Texas, dedicated to repairing homes of military veterans, seniors and those with disabilities. Mr. Leifer also worked as legislative correspondent for US Senator Sheldon Whitehouse.


  • Selected for inclusion in Best Lawyers: Ones to Watch for commercial litigation in 2023.

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  • Education

    • JD, University of Michigan Law School, 2015

      magna cum laude

      Order of the Coif; Certificate of Merit in Criminal Law, Torts and Civil Procedure; Honors in Legal Writing

      Notes Editor, Michigan Law Review 

    • BA, Psychology and Philosophy, Johns Hopkins University, 2008

      Phi Beta Kappa, Dean’s List
  • Admissions

    • Massachusetts

    • New York

    • US Court of Appeals for the District of Columbia Circuit

    • US Court of Appeals for the Second Circuit

    • US District Court for the Eastern District of New York

    • US District Court for the Southern District of New York

  • Clerkships

    • The Hon. A. Raymond Randolph, US Court of Appeals for the District of Columbia Circuit, 2015 - 2016