William C. Dario

Senior Associate

William Dario focuses his practice on complex litigation matters. Prior to joining the firm, Mr. Dario clerked for the Honorable Jeffrey Howard for the United States Court of Appeals for the First Circuit. Before his clerkship, he was an antitrust and competition associate at another international law firm in New York.


  • Education

    • JD, Columbia Law School, 2020

      Harlan Fiske Stone Scholar

      Columbia Journal of Environmental Law, Articles Editor

    • BA, Political Science, Tufts University, 2017

      magna cum laude
  • Admissions

    • Massachusetts

  • Clerkships

    • The Hon. Jeffrey R. Howard, US Court of Appeals for the First Circuit, 2022 - 2023