David Oscar Markus
Partner
Conexión con Miami
In Miami, David Oscar Markus leads criminal defense efforts at his downtown firm, defending clients in high-profile federal cases and shaping local jurisprudence through appellate wins and bar leadership. His teaching at University of Miami School of Law and presidency of key organizations like the Federal Bar Association South Florida Chapter have elevated legal education and advocacy standards. Through his influential blog and podcast, he fosters public discourse on justice reform specific to South Florida's federal courts.
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David Oscar Markus graduated from Harvard Law School and began his career clerking for Chief Judge Edward B. Davis of the U.S. District Court, followed by practice at Williams & Connolly in Washington, D.C. He served as an Assistant Federal Public Defender, securing groundbreaking verdicts before founding his Miami-based firm Markus/Moss PLLC. Deeply connected to Miami, he practices from 40 NW 3rd St Ph 1 and engages extensively with the local legal community as past-president of the Florida Association of Criminal Defense Lawyers Miami Chapter and Federal Bar Association South Florida Chapter. Currently, he is a partner at Markus/Moss PLLC, a Fellow of the American College of Trial Lawyers since 2020, and a lecturer at the University of Miami School of Law. Beyond litigation, he hosts the For the Defense podcast, founded the Southern District of Florida blog, and publishes op-eds on justice reform.