Marc Seitles
PHONE: (305) 403-8070

Marc David Seitles

Marc David Seitles is a highly skilled trial and appellate attorney with extensive experience in white collar crime and criminal defense, known for his fierce and unrelenting representation of his clients.  Marc is one of only a handful of criminal lawyers that has been repeatedly honored as a nominee by the Daily Business Review for Most Effective Lawyer.  He also continues to be recognized by Florida’s Legal Elite, Super Lawyers, and the South Florida Legal Guide as a top practitioner in white collar crime and criminal defense. Prior to founding Seitles & Litwin, Marc was employed as a trial attorney with the Federal Defender’s Office, Southern District of Florida, where he successfully represented 100’s of clients through trials, pleas and sentencings and earned his reputation as being a fighter for his clients. Since entering private practice, Marc has had successful outcomes in high-profile cases involving charges of money laundering, health care fraud, defrauding investors, bank fraud, identity theft and narcotics trafficking.  He has also assisted numerous individuals in getting off the Office of Foreign Assets Control (“OFAC”) list and in fighting extradition.  Marc’s most recent successes include:

  • Getting a time-served sentence for an extradited Colombian narcotics trafficker
  • Persuading the government to dismiss the indictment of an extradited Colombian because of misidentification-now part of an A&E series
  • Successfully arguing for an 8 month sentence for a Federal Bureau of Prison’s guard accused of having a sexual relationship with an inmate
  • Participating in the successful defense of a DEA agent wrongfully accused of rape
  • Convincing a federal judge to sentence an owner of a home health agency accused of a million dollar fraud to probation to care for her husband
  • Successfully fighting to remove high level U.S. target and his 6 family members from the Office of Foreign Assets Control (“OFAC”) List as a Specially Designated Narco Trafficker
  • Successfully arguing for a downward departure and variance to 3 months incarceration for a Wall Street broker accused of being part of a $740 million fraud
  • Persuading government to drop felony charges against a prominent physician which included misbranding drugs and Medicare fraud
  • Helped secure dismissal of a federal indictment in exchange for a lesser charge, sentence of time-served with no fine or supervised release for client originally charged with conspiring to traffic over 1000 kilograms of marijuana and launder millions of dollars.

Marc began his career as law clerk to the Honorable Lawrence K. Karlton, Chief Judge Emeritus, Eastern District of California.  He has published numerous articles in law reviews and journals around the country on issues involving criminal procedure, land use and planning, and international law.  His articles have been cited by legal scholars and have been used as law school curriculum. Marc is admitted to practice in the Southern, Middle, and Northern Districts of Florida, and the Third and Eleventh Circuit Court of Appeals.  He has also been admitted pro hac vice in the Eastern District of Virginia, the Western District of Arkansas, the Eastern District of New York, and the Eastern District of Michigan.


  • The Florida Bar
  • National Association of Criminal Defense Lawyers
  • Florida Association of Criminal Defense Lawyers
  • Federal Bar Association
  • American Association for Justice
  • Florida Justice Association
  • Miami Dade Justice Association

Published Work

  • Marc David Seitles, The Development of the Inter-American Human Rights System: A Historical Perspective and a Modern-Day Critique, 16 New York Journal of Human Rights 593 (Spring 2000)
  • Marc David Seitles, The Perpetuation of Residential Racial Segregation in America: Historical Discrimination, Modern Forms of Exclusion, and Inclusionary Remedies, 14 Florida State University Journal of Land Use and Environmental Law 89 (Fall 1998)
  • Marc David Seitles, The Effect of the Convention on the Rights of the Child Upon Street Children in Latin America: A Study of Brazil, Colombia, and Guatemala, 16 Buffalo Journal of Public Interest Law 157 (Spring 1998)
  • Marc David Seitles, Criminal Procedure: The 1997 Survey of Florida Law, 22 Nova Law Review 93 (Fall 1997)


Honorable Chief Judge Emeritus Lawrence K. Karlton, Eastern District of California


Washington University in St. Louis

Awards & Recognition

  • ​Top Lawyer South Florida Legal Guide
  • Listed in Florida’s Legal Elite
  • Listed in SuperLawyers
  • Finalist, Most Effective Criminal Lawyer in DBR
  • FACDL Rodney Thaxton Award
  • Broward County Young Lawyers Division
  • Inter-American Bar Association
  • Florida Bar Foundation
  • National Association of Public Interest Law