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About me

John Riordan is a Partner in the firm’s West Palm Beach and leads the Criminal Defense Department in that office.  John is an AV rated and highly experienced criminal trial attorney who handles complex criminal matters including assault, battery, burglary, conspiracy, DUI and DUI manslaughter, expungement, weapons charges, drug charges, sex offenses, murder, death penalty litigation, robbery and probation violations. Additionally, John has extensive experience representing clients in Federal crimes and Federal legal matters such as pre-indictment investigation, drug trafficking, RICO/racketeering, fraud and complex white collar crimes.  John also devotes a portion of his practice to Personal Injury and Civil Litigation.


Prior to joining the firm, John was the Managing Partner of a West Palm Beach boutique law firm and focused his practice on Criminal Defense, Personal Injury law, Commercial, Corporate and Family Law matters.  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 100 jury and non-jury trials in criminal and civil matters in both state and Federal court.

John has earned a reputation an excellent trial attorney and is highly regarded by prosecutors, judges and law enforcement. In 2012, 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 two articles for NakedLaw, an online legal forum. John is a former Board Member for the Juvenile Diabetes Research Foundation. Currently, John is involved as a committee member with the Hanley Center, a drug treatment facility in Palm Beach County and the CJ Foundation for Children in Need in Delray Beach, Florida. 


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 2001. 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.


Practice areas


  1. Criminal Defense: 50%
    13 years, 2 thousand cases
  2. Insurance: 40%
    10 years, 250 cases
  3. White Collar Crime: 10%
    10 years, 150 cases



Fixed (always), Free consultation (60 minutes)

Payment types:

Cash, Check, Credit card

Attorney endorsements

23 total 

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Contact info

Kelley, Kronenberg, Gilmartin, Fichtel, Wander, Bamdas, Eskalyo & Dunbrack, P.A.

1475 Centrepark Boulevard
Suite 275
West Palm Beach, FL, 33401


FLMember in Good Standing200209/08/2015
We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
Award nameGrantorDate granted
2012 Florida Rising StarsFlorida Super Lawyers2012
Florida Top Young Attorney 2012Wall Street Journal and Miami Magazine2012
Pro Bono Honor Society Service AwardNova Southeastern University School of Law2002
Work experience
TitleCompany nameDuration
Partner - White Collar and Criminal DefenseKelley, Kronenberg, Kelley, Gilmartin, Fichtel & Wander2012 - Present
Managing Partner - Criminal DefenseRiordan & Herman, P.L.2007 - 2012
Partner - Criminal DefenseLemoine & Riordan, P.L.2005 - 2007
Association namePosition nameDuration
CJ Foundation for Children in NeedBoard Member2009 - 2011
Palm Beach Association of Criminal Defense LawyersBoard Member2008 - 2009
Juvenile Diabetes Research FoundationBoard Member2008 - 2011
Florida Bar, Lawyer Referral Services CommitteeBoard Member2008 - Present
National Association of Criminal Defense LawyersMember2005 - Present
Florida Association of Criminal Defense LawyersMember2005 - Present
Palm Beach Association of Criminal Defense LawyersMember2005 - Present
The 11th Circuit Federal Court of AppealsMember2003 - Present
Publication nameTitleDate
AVVO Naked Law BlogWas the Police Response During the Empire State Building Shooting Justified?2012
AVVO Naked Law BlogWere James Holmes' Actions Premeditated?2012
School nameMajorDegreeGraduated
Nova Southeastern University - Shepard Broad Law CenterLawJD - Juris Doctor2002
University of MiamiEnglishBachelor of Arts1997