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About Me

Aaron O'Brien vigorously represents people of all kinds in all kinds of predicaments.  He has earned a reputation for a tenacious style and success in the courtroom.


Governor Rick Scott appointed Aaron O'Brien to teh Judicial Nominating Commission fo the Twentieth Judicial Circuit. 


Aaron O'Brien has been a member of the Traffic Court Rules Committee since 2010.


Aaron O'Brien has appeared on Closing Arguments with Nancy Grace (mercifully there was a guest host that day), Both Sides with Vinnie Politan, Catherine Crier Live, Trial Heat, Open Court, Daybreak, the News-Press, Bonita Banner, Naples Daily News, Cape Coral Breeze, and more.


You can be sure that no matter what your circumstances are, Aaron O'Brien will not judge you, but zealously represent you and fight for you.  He will spend the time necessary to listen to you, to fully understand you, and to achieve the best possible result for you.


In his off time, Aaron O'Brien trains for, and competes in, marathons and other races.  He enjoys time with family, boating, fishing, hiking, biking, hunting, music, reading and advocating for limited government, freedom and liberty.


Photos and Videos

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Practice Areas


  1. Criminal Defense: 30%
    18 years
  2. DUI & DWI: 25%
    18 years
  3. Car Accidents: 20%
    14 years
  4. Juvenile: 15%
    18 years
  5. Speeding & Traffic Ticket: 10%
    14 years



Contingent (25-33%), Fixed (Always), Retainer (Sometimes)

Payment Types:

Cash, Check, Credit Card

Attorney Endorsements

15 total 

  • Steven Gautier Koeppel

    I endorse this lawyer. Aaron gives his clients personal attention.


    Steven Koeppel Car Accidents Attorney
    Relationship: Fellow lawyer in community

  • Richard Allen Canina

    I endorse this lawyer.


    Richard Canina Criminal Defense Attorney
    Relationship: Fellow lawyer in community

Contact Info

The O'Brien Law Firm

1617 Hendry Street
Suite 316
Fort Myers, FL, 33901-2935


FLMember in Good Standing199709/08/2015

Professional Misconduct

We have not found any instances of professional misconduct for this lawyer.
Avvo Contributions
Legal Answers
Work Experience
TitleCompany NameDuration
FounderThe O'Brien Law Firm2006 - Present
PartnerLaw Offices of Neel & O'Brien2001 - 2006
AttorneyOffice of the Public Defender1999 - 2001
ProsecutorState Attorney's Office1997 - 1999
Association NamePosition NameDuration
Florida Bar, Twentieth Circuit Judicial Nominating CommissionMember2013 - Present
Florida Bar, Traffic Court Rules CommitteeMember2010 - Present
Florida Association of Criminal Defense LawyersMember2002 - Present
Speaking Engagements
Conference NameTitleDate
Lee County Libertarian Party ConferenceConstitutional Jurisprudence Update2013
Legal Studies ClassLegal Analysis - An Introduction2008
Legal Studies ClassLegal Analysis - An Introduction2005