Siobhan E. Mee represents companies and individuals in complex employment litigation matters, including noncompetition lawsuits, discrimination cases, and whistleblower actions. She also advises employers in connection with internal and government investigations. Her recent work includes defending a biotech company in litigation brought by its former CEO who claimed entitlement to a substantial ownership interest in the company, conducting an internal investigation into alleged fraud and other compliance issues raised by a whistleblower, and obtaining injunctive relief against a client’s former sales team to prevent their breach of restrictive covenants and misappropriation of trade secrets. Siobhan is the leader of the labor and employment practice for the Boston office.
Siobhan also has experience in a broad range of commercial litigation and regulatory matters. After law school, Siobhan clerked for the justices of the Massachusetts Superior Court.
Before joining Morgan Lewis, Siobhan was a partner in the litigation practice of another international law firm.
Listed, The Best Lawyers in America, Litigation - Labor and Employment, Boston (2023–2025)
Director, Board of Directors of Make-A-Wish Massachusetts and Rhode Island
Member, Practice Group of the Year, Employment, Law360 (2017, 2019)
Named, Top Women of Law, Massachusetts Lawyers Weekly (2017)
Ranked, Chambers USA, General Commercial Litigation (Massachusetts) (2014–2015)
Ranked, Super Lawyers, Massachusetts Rising Star, Business Litigation (2009–2013)
President, Women’s Bar Foundation (2013)
Fellow, American Bar Foundation
Member, Board of Trustees of the Women’s Bar Foundation
Member, Women’s Bar Association
Member, American Bar Association
Member, Massachusetts Bar Association
Member, Boston Bar Association
Executive Editor, Boston College Environmental Affairs Law Review