David Oscar Markus is a highly successful criminal defense lawyer who focuses his practice on representing businessmen and professionals. In 2015, he was selected by the National Law Journal as a "Trailblazer" in white collar matters. In 2010, he was one of eight finalists in the country for best white-collar criminal lawyer in the country by Chambers & Partners, which quoted market sources saying that David is "the whole package," and "a creative, courageous and tenacious courtoom advocate." And he was named to that very prestigious short list of 8 best white-collar criminal defense lawyers again in 2011 (he was the only lawyer listed not from a large firm). The 2012 Chambers said this: "David Markus received strong praise from peers and clients alike, who describe him as 'a legal genius and brilliant strategist with a great demeanor.'" The 2009 Chambers & Partners said that Markus is a "man who gets consistently great results.” His award winning firm, Markus/Moss, is known as one of the most creative criminal defense firms in the country.
David is a magna cum laude graduate of Harvard Law School. While at Harvard, he argued in front of Supreme Court Justice Anthony Kennedy who named him best oralist. After graduating from Harvard, David served as law clerk to the Honorable Edward B. Davis, then-Chief United States District Judge, Southern District of Florida. Following his clerkship, David worked as an associate at Williams & Connolly in Washington, D.C., and then practiced as an Assistant Federal Public Defender in Miami. David is admitted to practice in the state courts of Florida, and numerous federal courts including the Southern, Middle and Northern Districts of Florida, the Eleventh Circuit Court of Appeals, the Federal Court of Claims, the Federal Circuit, and the United States Supreme Court.
In addition to the awards and experience listed on this page, David also has co-authored the Fourth Amendment Forum, published in NACDL's The Champion. He is frequently asked to serve on committees for the Southern District of Florida. David has lectured on different aspects of the criminal trial and appeal, has taught legal writing at the University of Miami School of Law, and has taught Advanced Criminal Procedure and White Collar Law at Florida International University College of Law. He also speaks to other criminal defense lawyers on ethics and zealously representing criminal defendants charged with serious crimes. David has been quoted in publications around the country, including The Miami Herald, The Sun-Sentinel, The Palm Beach Post, the Daily Business Review, USA Today, The New York Times, The Wall Street Journal, The Boston Globe, Law.com, and CNN.com. David also is the author of the popular Southern District of Florida blog.
David is a fierce advocate for his clients and has excellent legal skills, in and out of court. He is nationally recognized as one of the best criminal defense lawyers in the country.