Sean Muntz

Sean Muntz


RMO LLP

Recognized since 2024

Los Angeles, California

Practice Areas

Litigation - Trusts and Estates

Trusts and Estates

Navigate to map location for Sean Muntz
Spinning circle Big letter B

Sean D. Muntz serves as Managing Partner of RMO LLP. Sean is an experienced trial and appellate lawyer, with litigation experience spanning a broad range of subject matters, including banking, general commercial, employment, probate, real estate, securities, intellectual property, maritime and environmental disputes. Sean has litigated matters in state and federal courts throughout California, and in alternative dispute resolution forums, including AAA and JAMS, and before the NASD/FINRA and Pacific Stock Exchange.

Sean’s practice focuses on representing beneficiaries, professional and corporate fiduciaries (administrators, executors, trustees, conservators, and guardians) in contested trust, estate and probate litigation.

Sean previously was a partner at an international law firm in the firm’s commercial litigation group, where he represented international financial institutions in litigation matters.

Sean worked as in-house counsel for a Fortune 100 aerospace manufacturer. There, he represented the company in internal and external investigation and compliance matters. While there, Sean represented the company as a victim of espionage, in the criminal matter of U.S. v. Chung, in which the U.S. District Court handed down the first conviction under the Economic Espionage Act of 1996. For representing the company’s interests, Sean received a commendation from the Los Angeles Field Office of the FBI and the FBI Director.

Sean also has worked for a Fortune 100 financial institution as in-house counsel, where he managed and directed national litigation strategy, overseeing hundreds of cases.

Location
  • 901 Bringham Avenue
    Los Angeles, CA 90049
Education
  • University of Southern California, J.D., graduated 2002
Bar Admissions
  • California, 223549
Affiliations
  • Black Law Students Association at USC Gould School of Law - Former Member
  • Orangewood Foundation - Volunteer
  • Provisors - Member

RMO LLP
Headquarters: Los Angeles, California

3 The Best Lawyers in America® awards

2 Best Lawyers: Ones to Watch® in America awards

Best Law Firms Badge Visit Website View Firm Profile

Recognized in The Best Lawyers in America® 2025 for work in:
  • Litigation - Trusts and Estates
  • Trusts and Estates
Awards:
  • “Legal Visionaries”, Business of Law Magazine, Los Angeles Times, 2022

  • “Leaders of Influence: Litigators and Trial Lawyers”, Los Angeles Business Journal, 2022

  • “Orange County Visionary”, Los Angeles Times, 2024

  • “Super Lawyer”, Super Lawyers, Southern California Super Lawyers 2019-2025

Publications

Your browser is not fully compatible with our automatic printer friendly formatting.

Please use the print button to print this profile page.

Spinning circle Big letter B