Ariadne Panagopoulou


Ariadne Panagopoulou is a partner in the New York office of Lewis Brisbois and a member of the Complex Business & Commercial Litigation, Labor & Employment, and London Market Group Practices. She is a dual-qualified lawyer in the jurisdictions of New York and England & Wales (Solicitor). 

She has significant experience representing business owners in a vast array of employment disputes including wage and hour class actions, discrimination/sexual harassment, family and medical leave, E.R.I.S.A., restrictive covenants, and whistleblower actions from the commencement of litigation up until trial and/or settlement. Ariadne has also litigated cyber breach class actions in multi-district litigation, high profile defamation cases, as well as cases involving constitutional violations against governmental entities.

Prior to joining Lewis Brisbois, Ariadne was the lead employment attorney at a boutique NYC midtown firm. Prior work experience also includes having served as a research assistant in microeconomics at Harvard Law School and teaching Law School courses at the University of Edinburgh for which she received a teaching award. Ariadne also currently serves as Budget Officer of the Administrative Law Section of the American Bar Association.

Primary Area(s) of Practice

  • Complex Business & Commercial Litigation
  • Labor & Employment
  • London Market Group


New York

U.S. Court of Appeals, 2nd Circuit

US District Court for the Southern District of New York

US District Court for the Eastern District of New York

US District Court for the Northern District of New York


Budget Officer, American Bar Association, Administrative Law Section

Awards & Honors

  • Listed in Best Lawyers in America® 2023-2024 "Ones to Watch" — Labor and Employment Law - Management
  • Recipient of Joseph Ernest and Octavia Walton Goodbar Scholarship by Harvard University for high scholastic standard.
  • Awarded Runner Up Best Postgraduate Tutor by the Edinburgh University Students' Association.
  • Awarded First Prize in Persuasive Speaking by the International Independent Schools’ Public Speaking Competition held in Toronto, Canada.


Harvard Law School


  • Harvard Journal of Law and Public Policy, Editor
  • Ernest and Walton Goodbar Scholarship
  • A.G. Leventis Foundation Scholarship
  • Cyprus Children’s Fund Scholarship

University of Edinburgh

LL.B, First Class Honors

  • Placed Top of the Class on Degree Dissertation

Representative Matters

Foreign Languages

  • Greek
  • Italian


  • Co-Author, Legal FAQ, International Documentary Association, 2023
  • Co-Author, Chapter on Securities, Commodities and Exchanges, Developments in Administrative Law and Regulatory Practice, American Bar Association, 2019