Attorney Mark J. O’Brien
Criminal Defense | Serving Tampa, FL
656-230-1095Attorney Mark J. O’Brien, is a law firm in Tampa, Florida with experience resolving cases in Criminal Defense.
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Your future. Our fight.
We represent individuals and corporations facing federal charges nationwide. Our team handles high-stakes litigation ranging from white-collar crime and drug trafficking to appeals and post-conviction motions. To build the strongest possible cases, our attorneys are uniquely supported by former federal and state law enforcement professionals, including ex-agents from the DEA and IRS Criminal Investigation Division. We operate with a philosophy of "leaving no stone unturned”. While the stakes are high, a skilled criminal defense attorney can make a significant difference in the outcome of a criminal case. Why play games with your life?
Contact us today if you need legal assistance with any of the following:
- Criminal Defense
- Federal Criminal Defense
- Drug Violations
- White Collar Crimes
Call 656-230-1095 today to arrange your free initial consultation.
Attorney Mark J. O’Brien
Bar Admissions:
- Florida, 1998
- Massachusetts, 1998
- Montana, 2023
- Supreme Court of the United States of America
- U.S. Court of Appeals 1st Circuit
- U.S. Court of Appeals 2nd Circuit
- U.S. Court of Appeals 9th Circuit
- U.S. Court of Appeals 11th Circuit
- U.S. District Court Northern District of Alabama
- U.S. District Court District of Alaska
- U.S. District Court Eastern District of Arkansas
- U.S. District Court Central District of California
- U.S. District Court Southern District of California
- U.S. District Court District of Connecticut
- U.S. District Court Southern District of Florida
- U.S. District Court Middle District of Florida
- U.S. District Court Northern District of Florida
- U.S. District Court Southern District of Georgia
- U.S. District Court Middle District of Georgia
- U.S. District Court Northern District of Georgia
- U.S. District Court Southern District of Illinois
- U.S. District Court Southern District of Indiana
- U.S. District Court District of Kansas
- U.S. District Court Eastern District of Kentucky
- U.S. District Court District of Massachusetts
- U.S. District Court Eastern District of Michigan
- U.S. District Court Western District of Michigan
- U.S. District Court Northern District of Mississippi
- U.S. District Court Southern District of Mississippi
- U.S. District Court Western District of Missouri
- U.S. District Court District of Montana
- U.S. District Court Southern District of New York
- U.S. District Court Northern District of New York
- U.S. District Court Western District of New York
- U.S. District Court District of North Dakota
- U.S. District Court Northern District of Oklahoma
- U.S. District Court District of Rhode Island
- U.S. District Court Middle District of Tennessee
- U.S. District Court Eastern District of Texas
- U.S. District Court Western District of Texas
- U.S. District Court Northern District of Texas
- U.S. District Court for the Eastern District of Virginia
- U.S. District Court Eastern District of Washington
- U.S. District Court Western District of Washington
- U.S. District Court Southern District of West Virginia
Education:
- Siena College, 1995
- B.A.
- Delaware Law School, 1998
- J.D.
Professional Memberships and Achievements:
- American Association for Justice, Member
- National Association of Criminal Defense Lawyers, Member
- Florida Association of Criminal Defense Lawyers, Member
- Florida Bar Association, Member
- Federal Bar Association, Member
Languages Spoken:
- English
- Spanish
Attorney Olivia M. Goodman
Bar Admissions:
- Florida, 2020
Education:
- University of Florida Levin College of Law, Gainesville, Florida
- J.D.
- Honors: cum laude
- Honors: Book Award for academic excellence with the highest grade in my Social Science, Crime, and Law course
- Honors: Dean's List honors each semester
- Honors: Presidential Scholarship
- University of Maryland
- B.S.
- Major: Family Science
Attorney Shawn P. Napier
Bar Admissions:
- Ohio, 2001
- Florida, 2024
- Federal Criminal District Court
- Federal appellate Court in the United States
- Supreme Court of the United States of America
Education:
- Capital University Law School, 2001
- J.D.
- Magna Cum Laude
- University of Central Florida
- B.A. in Political Science
Professional Memberships and Achievements:
- Joint Terrorism Task Force (JTTF), 2019-2022
Attorney Victoria Elizabeth Hatfield
Bar Admissions:
- Florida
- U.S. Court of Appeals 11th Circuit
- U.S. District Court Northern District of Florida
- U.S. District Court Middle District of Florida
- U.S. District Court Southern District of Florida
Education:
- Stetson University College of Law, Gulfport/St. Petersburg, Florida
- J.D.
- Bucknell University
- B.A.
Professional Memberships and Achievements:
- Rising Star, Super Lawyers, 2019-2020
Languages Spoken:
- English
- Spanish
Attorney Sheryl C. Johansen
Bar Admissions:
- Florida
- U.S. District Court Middle District of Florida
- U.S. Court of Appeals 11th Circuit
Education:
- Barry University School of Law, Orlando, Florida
- J.D.
- Honors: magna cum laude
- University of Southern Maine
- B.A.
- Major: Media Studies
Professional Memberships and Achievements:
- Goldburg-Cacciatore Criminal Law Inn of Court
- Pinellas Association of Criminal Defense Lawyers
- Florida Association of Criminal Defense Lawyers
Attorney Justin K. Fahringer
Bar Admissions:
- Florida, 2010
Education:
- Stetson University College of Law, 2010
- Honor Roll
- Florida International University
- B.A. in Political Science
- Honors College
- Political Science Honors Society
- Student government leadership division
Professional Memberships and Achievements:
- Hillsborough Bar Association
- Hillsborough County Association of Criminal Defense Lawyers
Attorney Todd J. Murgo
Bar Admissions:
- Florida
- U.S. District Court Middle District of Florida
- U.S. District Court Southern District of Florida
- U.S. District Court Northern District of Florida
- Eleventh Circuit Court of Appeal
- Supreme Court of the United States of America
Education:
- University of Florida Levin College of Law, Gainesville, Florida
- J.D.
- Honors: cum laude
- Law Journal, Journal of Law and Public Policy, Executive Research Editor
- University of Tampa
- B.S.
- Major: Criminology
Professional Memberships and Achievements:
- Top Gun Trial Academy, 2024
Office Locations
Since 1997, the "Lead Counsel Verified" status has been granted to attorneys who possess:
- The Right Professional Experience
- A Spotless Record
The following attorneys at this firm are Lead Counsel Verified:
Mark J. O'Brien
This attorney practices in Florida and is Lead Counsel Verified in the following practice areas:
| Practice Area | Year |
|---|---|
| Criminal Defense | Since 2020 |
| Federal Criminal Law | Since 2020 |
| Criminal Defense | Since 2020 |
Attorney Mark J. O’Brien Awards
Super Lawyers Selectee: Super Lawyers® is a rating service of outstanding lawyers who have attained a high-degree of peer recognition and professional achievement. The top 5% of lawyers in each state are selected using a patented selection process that includes independent research, peer nominations, and peer evaluations.