Arielle Herzberg focuses her practice on complex civil litigation. She has experience with antitrust class actions, contract disputes, securities fraud class actions, anti-discrimination cases and civil rights litigation. Arielle has litigation experience in both state and federal court, including taking, defending and preparing witnesses for depositions; managing discovery; writing motions and briefs; and preparing for trial.

Arielle has also worked on government and internal investigations related to corporate governance, the Foreign Corrupt Practices Act and workplace sexual harassment.

Prior to joining WilmerHale, Arielle was a staff attorney for the American Civil Liberties Union of Colorado, where she litigated cases involving constitutional claims and civil rights statutes. She was previously a litigation associate at an international law firm in New York. Arielle also clerked for the Honorable Stanley R. Chesler of the US District Court for the District of New Jersey. During law school, Arielle served as a legal intern with the US Attorney’s Office for the District of New Jersey. She is a member of the bar in Colorado, New York and New Jersey.


Insights & News


  • Education

    • JD, University of Pennsylvania Law School, 2016

      Associate Editor and Senior Editor, Journal of Constitutional Law

      Exemplary Pro Bono Service Award; Excellent Pro Bono Leadership Award 

    • BA, History, University of Pennsylvania, 2013

      summa cum laude

      Phi Beta Kappa;  Dean’s List;  Pi Alpha Theta

  • Admissions

    • Colorado

    • New Jersey

    • New York

    • US Court of Appeals for the Fifth Circuit

  • Clerkships

    • The Hon. Stanley R. Chesler, US District Court for the District of New Jersey, 2016 - 2017



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