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John S. Riordan


John S. Riordan Attorney Profile | Kelley Kronenberg


John S. Riordan is an “AV” rated civil trial attorney, Partner and Business Unit Leader, focusing his practice on General Liability, First Party Property Insurance Defense, and Commercial Litigation. He is a highly experienced trial attorney and represents clients in both State and Federal courts throughout the Florida.

Prior to joining the firm, John was the Managing Partner of a West Palm Beach boutique law firm and focused his practice on General Liability, Commercial Litigation, and Criminal Defense. Prior to that, John proudly served as an Assistant State Attorney with the Palm Beach County State Attorney’s Office prosecuting misdemeanor and felony crimes. John has tried more than 150 jury and non-jury trials in civil and criminal matters in both state and Federal court.

John has earned a reputation as an excellent trial attorney and is highly regarded by judges and peers. In both 2012, and 2013 he was honored as a Super Lawyer Rising Star, a prestigious distinction only awarded to the top 5% of lawyers in the state who are recognized for their skill, ethical services, and professional excellence. He was also distinguished as a Florida Top Young Lawyer for 2012. John has spoken as a guest lecturer at Florida Atlantic University, speaking on the topic of the Racketeer Influenced and Corrupt Organizations Act (RICO). An accomplished author, he has published articles for NakedLaw, the Daily Business Review and other online publications.

John is a native of Miami, Florida, and earned his Bachelor of Arts degree from the University of Miami in 1997. Thereafter, he earned his Juris Doctorate degree from Nova Southeastern University School of Law where he graduated in 2002. John is licensed to practice law in Florida and is admitted to practice before the United States Supreme Court, the U.S. Court of Appeals, 11th Circuit and the U.S. District Court for the Southern, Northern and Middle Districts of Florida.

John is also a Certified Water Damage Restoration Technician, accredited by the Institute of Inspection, Cleaning, and Restoration Certification (IICRC).




  • Florida
  • United States District Court, Southern District of Florida
  • United States District Court, Middle District of Florida
  • United States District Court, Northern District of Florida
  • United States Court of Appeals, Eleventh Circuit
  • United States Supreme Court
  • Nova Southeastern University, Shepard Broad Law Center, J.D., 2002
  • University of Miami, B.A., 1997
  • Certified Water Damage Restoration Technician – Institute of Inspection Cleaning and Restoration Certification (IICRC)

Practice Areas

Accolades, Associations & News

  • Martindale-Hubbell, AV® Preeminent ™
  • Super Lawyers magazine, Florida “Rising Stars,” Insurance Coverage, 2012-2013,2022

Professional Associations

  • Palm Beach Association of Criminal Defense Lawyers, Member
  • Florida Association of Defense Lawyers, Member
  • National Association of Criminal Defense Lawyers, Member
  • South Florida Claims Association (SFCA), Member


  • Hanley Center, Committee Member
  • Juvenile Diabetes Research Foundation, Palm Beach County Chapter, Board of Directors
  • CJ Foundation for Children in Need, Former Board Member
  • The Village of Royal Palm Beach, Chairman, Recreation Advisory Board
  • Speaker, “Bad Faith Pitfalls and Handling EUP/SIU Pre-Suit Investigation,” February 2022
  • Speaker, “Changes in 1.510 Summary Judgment Standard,” May 2021
  • Speaker, Law & Ethics: 2021 Case Law and Legislative Update, 2021 Annual Windstorm Conference, February 2021
  • Speaker, Catastrophic Construction Collapse: Critical Issues from an Adjusting, Engineering, and Legal Perspective, 2017 Windstorm Insurance Conference, January 2017
  • Speaker, Coverage B, Indemnity, and Immunity, October 2016
  • Speaker, Law and Ethics Update, August 2016
  • Speaker, Juvenile Law Basics Recent Florida Bar Graduates, October 2014


  • Author, How Forensic Meteorologists are Assisting with Florida First-Party Property Cases, Insurance Journal, January 30, 2019
  • Author, Expert advice when testifying as a witness in a criminal trial, Expert Beacon, July 12, 2013
  • Author, Computer Fraud Law’s Language encourages Abuse by Federal Government, Daily Business Review, June 7, 2013
  • Author, Misconceptions about Criminal Defense Attorneys,, May 23, 2013
  • Author, Know the basics of plea bargaining before you waive your right to a trial, Expert Beacon, May 3, 2013
  • Author, Another Leg Cut from Fourth Amendment Table, Daily Business Review, October 4, 2013

News & Insights