Jazmine Preston-O’Neill is licensed in State and Federal Court and litigates insurance coverage disputes. She is also an Adjunct Professor at Miami-Dade College. She has successfully litigated both criminal and civil matters, including the handling of over 30 trials. Mrs. Preston-O’Neill spent several years as an Assistant Public Defender at the Miami-Dade Public Defender’s Office. She has handled thousands of cases ranging from misdemeanor DUI to felonies punishable by life in prison.

Mrs. Preston-O’Neill is dedicated to public service, both professionally and personally, and currently serves on the Board of Directors for the Greater Miami Service Corps, and as a volunteer Judge for Miami-Dade Teen Court. She is also a member of the Dade County Bar Association, the Florida Association of Criminal Defense Lawyers, and the Wilkie D. Ferguson Jr. Bar Association.

Practice Areas:

  • Coverage Issues
  • Criminal Law
  • First Party Property
  • Insurance Coverage
  • Breach of Contract
  • Declaratory Actions

Professional and Civic Activities:

  • Secretary of the Board of Directors, Greater Miami Service Corps (2012- present)
  • Volunteer Judge, Miami-Dade Teen Court.
  • Member, Dade County Bar Association
  • Member, Florida Association of Criminal Defense Attorneys
  • Member, Wilkie J. Ferguson Jr. Bar Association.

Bar and Court Admissions:

  • State of Florida, 2008
  • United States District Court Southern District of Florida, 2012


  • American University, B.S. 2003
    • Student Representative, American University Council Advisory Board
    • AmeriCorps Volunteer
  • Chicago-Kent College of Law, JD, 2008
    • Member, Trial Advocacy Team
    • Dean’s List
    • Volunteer Intern, Cabrini Green Legal Aid.

Honors and Awards:

  • Selected by Legacy Magazine as one of South Florida’s 40 Under 40 Leaders of Today & Tomorrow for 2015.

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