Jeff Marcus is an experienced trial lawyer whose practice focuses on high-stakes white collar, regulatory enforcement, and complex civil litigation matters. Jeff is known as a creative and tenacious litigator whose skills shine in complex cases. For the last several years, he has been one of a small group of Florida lawyers ranked in the top band for litigation and white-collar defense by the prestigious Chambers & Partners. In those merit rankings, peers and clients have described Jeff as an “extremely effective” trial lawyer with a “keen eye for understanding the dynamics and strategy of a case who can raise technical and complex defenses and successfully implement them at trial.” He also was recognized as “top of the field in the U.S. when it comes to healthcare fraud matters with significant experience in matters concerning the False Claims Act. Jeff also represents both plaintiffs and defendants in high-stakes civil litigation, and in recent years has recovered over $25 million on behalf of his clients.

Jeff also has been recognized by a wide range of other peer groups and publications, such as Best Lawyers of America and Superlawyers, as a top trial lawyer.

Jeff’s experience spans a wide variety of industries, including cryptocurrency, energy, financial services, government contracts, healthcare, insurance and reinsurance, media and entertainment, pharmaceuticals, professional sports, real estate, securities, and technology. He frequently defends corporations and individuals in investigations and enforcement matters brought by federal and state agencies, including matters involving alleged violations of federal securities and commodities laws, federal healthcare and pharmaceutical laws, Foreign Corrupt Practices Act (“FCPA”) matters, and money laundering offenses. Jeff also has been retained and testified as a subject matter expert in fraud and securities matters, including being designated as an expert witness in securities fraud litigation in the Northern District of Texas on behalf of the court-appointed receiver overseeing the former Stanford Financial Group which ran one of the largest Ponzi schemes in U.S. history. Jeff maintains an active pro bono practice and served for 8 years as a member of the Criminal Justice Act (CJA) Panel in the Southern District of Florida representing indigent federal criminal defendants.

Prior to MNR, Jeff headed the white-collar practice group of a leading South Florida firm. Before that, he served as a federal prosecutor in South Florida who specialized in white-collar crime. As an AUSA, Jeff successfully tried more than 25 cases to verdict and briefed and argued numerous appeals. Based on his prosecutorial experience, Jeff has been asked to lead a number of internal investigations for public and privately-held corporations and independent investigations for boards of directors, audit committees, and special board committees.

Raised in Miami, Florida, Jeff graduated magna cum laude from Yale University and earned his J.D. from Yale Law School where he won a Harlan Fiske Stone prize. After law school, Jeff clerked for the Honorable Stanley Marcus of the U.S. Court of Appeals for the Eleventh Circuit (no relation) and the Honorable Donald M. Middlebrooks of the U.S. District Court for the Southern District of Florida. Jeff has taught constitutional criminal procedure and legal writing and advocacy at the University of Miami and speaks nationally on litigation and white-collar topics. Outside of work, Jeff serves on the Executive Board of Dunks for Diabetes, a grassroots non-profit that supports diabetes research and educational outreach and advocacy, in partnership with the American Diabetes Association.