Mathew S. Rosengart

Mathew S. Rosengart is Co-Chair of the National Media & Entertainment Litigation Group and widely recognized as one of the nation’s leading litigators. Known for representing Hollywood talent and major corporations alike, Rosengart is regularly retained in high-stakes litigation, delivering victories in both state and federal courts.

Mathew earned his J.D., cum laude, from Boston College Law School and received his B.A. from Tulane University. A former federal prosecutor and Justice Department Trial Attorney, Rosengart also clerked for former Supreme Court Justice David Souter on the New Hampshire Supreme Court. His early legal foundation has helped shape a practice marked by intellect, integrity, and strategic acumen.

Mathew has secured significant courtroom wins, including a $14 million trial verdict in New York and a $6 million arbitration victory for Academy Award-winner Kenneth Lonergan. His successful representation of Sean Penn and recent work on a $500 million False Claims Act case for Verizon underscore his reputation as a trusted advocate in high-profile disputes.

Matthew’s contributions to the legal field extend beyond litigation. Rosengart has delivered lectures at Boston College Law School, Harvard, and Northwestern, and has received accolades such as the Benchmark Litigation “Entertainment Litigator of the Year” award and the Praeses Elit Award from Trinity College Dublin. He also serves on the board of EBRP, supporting efforts to combat rare diseases.

Recognized by Forbes, Variety, and The National Law Journal, Mathew S. Rosengart is known for principled representation and courtroom excellence. Whether defending Fortune 20 companies or Hollywood icons, Mathew consistently delivers impactful legal solutions while upholding the highest professional standards.

Law Office Affiliations

• Shareholder, Greenberg Traurig, LLP
• Board of Governors, Beverly Hills Bar Association
• Member, American Bar Association
• Member, Association of Business Trial Lawyers Los Angeles
• Member, Federal Bar Association

Licensed State

• California
• New York

Education

• Boston College Law School
  Juris Doctor (JD)
• Tulane University
  Bachelor of Arts (BA)

Awards & Badges