Maureen Beyers practices complex commercial litigation and arbitration. Licensed in Arizona and New York, Maureen practices in state and federal court representing clients in wide assortment of contract and business tort disputes across many industries. From technology to franchise and everything in between, Maureen is known for her effective and efficient approach to complex litigation. For the last several years, Maureen has been recognized by, among others, Best Lawyers in America as one of Phoenix's "best lawyers" for her skills in both commercial litigation and securities litigation. Those skills have also earned Maureen a reputation as one of Arizona’s go-to litigators in “business divorce” cases and director and officer liability disputes. Maureen’s experience in the financial services and banking industry has given her a unique skills in internal investigations, securities litigation, regulatory investigations, and enforcement proceedings.


Before moving to Arizona in 1995, Maureen was an associate at the New York office of Morgan, Lewis & Bockius. Maureen was a partner at Osborn Maledon in Phoenix before starting her own firm with Mike. Maureen maintains an office in New York and Arizona to facilitate her ADR practice.

Best Lawyer: Arbitration Best Lawyer: Securities and Litigation


Professional & Community Activities

  • Fellow, College of Commercial Arbitrators
  • Charter Member, National Academy of Distinguished Neutrals (Arizona)
  • State Bar of Arizona:  Alternative Dispute Resolution Section; Executive Council & Section Chair (2018)
  • Co-Chair, ABA Dispute Resolution Section, Women in Dispute Resolution Committee (2018-2019)
  • American Arbitration Association: Commercial, Complex, Insurance, Franchise, and Securities Panels (Since 1995)
  • Chartered Arbitrator, Chartered Institute of Arbitrators (London)
  • International Institute for Conflict Prevention & Resolution, Arbitrator on multiple panels
  • American Bar Association, Member: Litigation Section (Alternative Dispute Resolution Committee); Business Law Section (Dispute Resolution Committee); Dispute Resolution Section (Arbitration Committee; Women in Dispute Resolution Committee)
  • New York State Bar Association
  • State Bar of Arizona: Securities Regulation Section (Past Chair)
  • Arizona Women Lawyers Association, Maricopa County Steering Committee Member, 1997-2004
  • Arizona Humane Society, Board of Directors, 2002-2011
  • Humane Society of the United States, Arizona Council 2012-present

Honors & Recognitions

  • Best Lawyers®, Phoenix Arbitration Lawyer of the Year, 2017 & 2023
  • Best Lawyers®, Phoenix Securities Litigation Lawyer of the Year, 2015, 2020 & 2023
  • The Best Lawyers in America®, Arbitration, Commercial Litigation, Securities Litigation, 2012-2024
    Maureen Beyers: Best Lawyers
  • Super Lawyers: Alternative Dispute Resolution, Business Litigation, 2012-2023
    Maureen Beyers: Super Lawyers
  • Super Lawyers, Top 50 Attorneys and Top 25 Women Attorneys in Arizona, 2015-2023
  • Arizona Business Magazine, Top 100 Lawyers in Arizona, 2016-2023
  • Arizona's Finest Lawyers
  • Phoenix Magazine, Best Lawyer, Arbitration & Mediation 2023
  • Martindale-Hubbell® Rated AV® Preeminent
  • Martindale-Hubbell® Bar Register of Preeminent Women Lawyers



  • J.D., Fordham University
  • Fordham Law Review, Editor-in-Chief
  • B.S., SUNY, Oneonta


Bar Admissions

  • New York
  • Arizona


Court Admissions

  • U.S. Supreme Court
  • U.S. Court of Appeals 9th Circuit
  • U.S. Court of Appeals, 10th Circuit
  • U.S. District Court, Eastern, Southern and Northern Districts of New York
  • U.S. District Court,District of Arizona



  • U.S. District Court, Eastern District of New York,
    Judge Joseph M. McLaughlin
  • U.S. Court of Appeals, Second Circuit,
    Judge Joseph M. McLaughlin