John Leo Wagner

United States Magistrate Judge (Ret.)
Judicate West Alternative Dispute Resolution
1851 E. First Street, Ste. 1450
Santa Ana, CA 92705

Phone: 1-800-488-8805
Fax: 714-834-1344
Other URL

Judge Wagner has handled thousands of mediations and arbitrations for over 30 years, and has been was named as one of California's Top Neutrals by the Los Angeles and San Franciscio Daily Journal every year since 2008, culminating with being named one of 22 "Master Mediators" in the State of California in 2014. In 2007 he was named as one of 42 Entertainment Power Mediators by The Hollywood Reporter, Esq. He has been listed as a Southern California Super Lawyer in the field of ADR every year since 2007, and has been included in every edition of The Best Lawyers in America in the Speciality of Alternative Dispute Resolution since 2007, also being named Orange County Arbitrator of the Year in 2014.

Types of Cases Mediated

  • Aerospace
  • Americans w/Disabilities Act
  • Banking
  • Business
  • Civil (general)
  • Commercial
  • Construction
  • Contracts
  • Discrimination
  • Employment
  • Entertainment
  • Environmental
  • Harassment
  • Insurance
  • Intellectual Property
  • Partnership Dissolutions
  • Personal Injury
  • Product Liability
  • Professional Malpractice
  • Real Estate
  • Securities
  • Torts

MEMBER: 2000



John Leo Wagner is a former United States Magistrate Judge, serving from 1985 through 1997 in the Northern District of Oklahoma. In 1997 he left the bench to head the ADR practice group at Irell & Manella LLP, a 225 attorney Los Angeles-based law firm. There, he founded and served as the Director of the Irell & Manella ADR Center and practiced as an ADR neutral. In 2005, he left Irell & Manella and became an independent, full-time ADR neutral associated with Judicate West Alternative Dispute Resolution, based out of Orange County, California, but with a nationwide ADR practice. While on the bench, he was appointed by then Chief Justice Renquist to the Court Administration and Case Management Committee of the U.S. Judicial Conference and served on its ADR Task Force. He has extensive trial experience, both on and off the bench. He currently serves on the CPR Institute for Dispute Resolution's National Panel of Distinguished Neutrals and is a Diplomate Member of the California Panel of Distinguished Neutrals. He was a member of the CPR - Georgetown Commission on Ethics and Standards of Practice in ADR. He is a Fellow of the ACCTM and is a past President and Distinguished Fellow of the International Academy of Mediators.


Judge Wagner received his JD from the University of Oklahoma College of Law in 1979. He received Advanced Mediation Training while on the federal bench through the Federal Judicial Center and Endispute, Inc. He attended the Harvard University Law School Program of Instruction for Lawyers. He has since served as an ADR instructor and trainer for many distinguished organizations, including the International Academy of Mediators, the Federal Judicial Center, the United States Circuit Court of Appeals for the Tenth Circuit, Pepperdine University's Strauss Institute of Dispute Resolution and the American Bar Association.


Judge Wagner serves as an ADR neutral nationwide. A fee schedule is available upon request from Judicate West at (800) 488-8805
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