Skip to content Merton E. Marks


Two N. Central Avenue
Suite 2200
Phoenix, AZ 85004


J.D., Northwestern University Pritzker School of Law

  • Contributing author, Northwestern Law Review

Pepperdine University School of Law, Graduate, Straus Institute for Dispute Resolution

B.S., Political Science and Economics, Northwestern University College of Arts and Sciences


Member of the American Board of Trial Advocates (ABOTA)

Guest lecturer, International Arbitration, Georgetown University Law Center

Rated "Best of Arizona Business Attorneys," Ranking Arizona Business Magazine

Martindale Hubbell® AV Preeminent Rating

Former Judge Pro Tem, Arizona Court of Appeals


Merton E. Marks is Of Counsel in the Phoenix office of GRSM and his practice is focused on arbitration and litigation in the following areas:


  • Financial Industry Regulatory Authority (FINRA) arbitrations involving brokers, registered representatives, customer claims, expungement of prior actions
  • Former Assistant Attorney General of Arizona, Securities Division

Hospitality Industry 

  • Claims against hotels, resorts, golf courses, guest security, Dram Shop litigation

Insurance and Reinsurance

  • Coverage, premium fraud, audit and rate disputes
  • Bad faith claims
  • Agent, broker and third party claims administrator liability
  • Arizona Insurance Department regulatory and rate proceedings
  • Arizona Industrial Commission self insurance and regulatory proceedings, workers’ compensation, employers’ liability and asbestos cases

Military Law and Practice

  • Former Captain, U.S. Army, Judge Advocate General's Corps (XV Army Corps)
  • Counsel in more than 60 Courts Martial, administrative hearings and appeals
  • Awarded Army Commendation Medal for meritorious service
  • Admitted to practice before the U.S. Court of Appeals for the Armed Forces
  • Life Member, Military Officers Association of America; member, Judge Advocates Association, Wounded Warrior Project

Product Liability

  • Pharmaceutical drugs, medical and dental devices and equipment, herbal supplements, cosmetics
  • Children’s products
  • Industrial machinery, chemicals, gases, plastics, asbestos
  • Firearms


  • Arizona
  • Illinois (Inactive)
  • U.S. Supreme Court
  • U.S. Court of Appeals, Ninth Circuit
  • U.S. District Court, Arizona


  • American Board of Trial Advocates (ABOTA)
  • International Association of Defense Counsel
  • Arizona Association of Defense Counsel (Past President)
  • American Bar Association (Former Chair, Special Committee on Federal Asbestos Legislation)


Publications & Presentations