Mark J. O'Brien

Top rated white collar crimes attorney in Tampa, Florida

O'Brien Hatfield Reese, PA
Mark J. O'Brien
O'Brien Hatfield Reese, PA

Practice Areas: White collar crimes, Criminal defense; view more

Licensed in Florida since: 1998

Education: Widener University – Delaware Law School

Languages Spoken: English, Spanish

Selected to Super Lawyers: 2016 - 2023

O'Brien Hatfield Reese, PA

511 West Bay Street
Suite 330
Tampa, FL 33606 Visit website

Details

Mark J. O'Brien is the founding partner of O'Brien Hatfield, PA, located in Tampa, Florida. Representing clients throughout the state, he focuses his practice exclusively on criminal defense matters at the state and federal levels, including white collar crimes, drug offenses, securities fraud, sex offenses, mortgage fraud and criminal appeals.

Mr. O'Brien pursued his undergraduate education at Siena College and received a Bachelor of Arts in English literature in 1995. After graduating from Delaware Law School and being awarded his Juris Doctor in 1998, Mr. O'Brien was one of only 44 applicants out of 4,000 who were hired to work as prosecutors for the Miami-Dade Office of the State Attorney, 11th Judicial Circuit. His three years in the office's felony division helped him to hone his skills as a trial lawyer as he tried numerous cases through to verdict.

Mr. O'Brien is admitted to practice law before all of the state courts of both Florida and Massachusetts. He is also admitted to practice before the U.S. District Courts for the Southern, Middle and Northern Districts of Florida, the U.S. District Court for the Western District of Texas, the U.S. District Court for the District of Massachusetts, the U.S. Courts of Appeal for the 1st and 11th Circuits, and the Supreme Court of the United States.

Highly regarded by his fellow professionals, Mr. O'Brien has received a "Superb" peer review rating through Avvo. He is an active participant in numerous legal organizations, including the National Association of Criminal Defense Lawyers, the Florida Justice Association, the Florida Association of Criminal Defense Lawyers and the Federal Bar Association.

Practice areas

Criminal defense: white collar, Criminal defense

Focus areas

White collar crime, Criminal law - federal, Criminal fraud, Criminal law, Drug & alcohol violations, Felony, Sex offenses, Tax evasion, Theft

  • 90% Criminal defense: white collar
  • 10% Criminal defense

First Admitted: 1998, Florida

Professional Webpage: http://www.markjobrien.com/Attorneys-Biographies/Mark-J-O-br...

Verdicts/Settlements:
  • State of Florida v. Matthew Buendia (former United States Marine charged with shooting a police officer) 2010-2016
  • The Florida Bar v. Adam Filthaut (prominent trial attorney accused of DUI setup in Bubba/MJ trial) 2013-2016
  • United States v. Rashia Wilson (IRS fraud) 2012-2103
  • State of Florida v. Rougned Odor (current Texas Ranger MLB player) 2010
  • State of Florida v. Jerramy Stevens - Case Number 3 (former Tampa Bay Buccaneer NFL Player) 2011
  • Represented Bubba "The Love Sponge" Clem in the Hulk Hogan v. Gawker Civil Defamation Trial, 2016
  • United States v. John Wilson (former Washington Redskin NFL player) 2012
  • United States v. Senad Djedovik (infamous Norwegian Cruse Lines employee) 2012
  • State of Florida v. Jerramy Stevens - Case Number 2 (former Tampa Bay Buccaneer NFL player) 2010
  • State of Florida v. Mary Lynn Vu (Plant High School teacher accused of having sex with her student) 2009
  • United States v. Jeanette Hevel (former Tampa Police Department Captain) 2014-2015
  • United States v. Robert Blango (notorious Fort Myers bank robber) 2005-2006
  • State of Florida v. Jerramy Stevens - Case Number 1 (former Tampa Bay Buccaneer NFL Player) 2011
Scholarly Lectures/Writings:
  • "Strategies For Defending Identity Theft Cases", Aspatore, 2012
  • Lecturer, Trial Advocacy Skills, Intensive Trial Advocacy Program (ITAP)
Bar/Professional Activity:
  • Supreme Court of the United States of America, 2010
  • National Association of Criminal Defense Lawyers, Member, 2003 - Present
  • Federal Bar Association, Member
  • Massachusetts, 1998
  • United States District Court for the Southern District of West Virginia, pro hac vice
  • U.S. District Court Southern District of Florida, 2013
  • American Bar Association, 1999 - Present
  • U.S. Court of Appeals 11th Circuit, 2003
  • American Association for Justice, Member
  • Florida Bar Association, Member
  • Florida, 1998
  • United States District Court for the Eastern District of Kentucky, pro hac vice
  • U.S. District Court Northern District of Florida, 2008
  • Academy of Florida Trial Lawyers, 2004 - Present
  • U.S. Court of Appeals 1st Circuit, 2002
  • U.S. District Court Western District of Texas, 2015
  • Florida Association of Criminal Defense Lawyers, Member, 2004 - Present
  • National Trial Lawyers Association, 2012 - Present
  • U.S. District Court Middle District of Florida, 2002
  • United States District Court for the Southern District of Mississippi, pro hac vice
  • U.S. District Court District of Massachusetts, 2003
Educational Background:
  • Siena College, B.A., Bachelor of Arts, Major: English Literature, 1995
Honors/Awards:
  • Super Lawyers Selection, White Collar Criminal Defense, 2016
  • Top 100 Trial Lawyers, National Trial Lawyers
  • Super Lawyers Selection, White Collar Criminal Defense, 2017
  • Top 40 Under 40, The National Trial Lawyers
  • Super Lawyers Selection, White Collar Criminal Defense, 2018

Office location for Mark J. O'Brien

511 West Bay Street
Suite 330
Tampa, FL 33606

Phone: 813-345-4909

Selections

8 Years Super Lawyers
  • Super Lawyers: 2016 - 2023

Attorney resources for Mark J. O'Brien

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