Markus Moss PLLC

Markus Moss PLLC is a nationally recognized trial and appellate law firm known for taking on and winning some of the most difficult criminal defense cases in the country. The firm accepts only a limited number of high-stakes matters at a time, allowing its lawyers to devote their full attention to each client. This focused, elite-level approach has earned the firm a reputation for meticulous preparation, bold strategy, and exceptional results in federal and state courts nationwide.

Markus Moss PLLC represents business leaders, professionals, public figures, corporations, and individuals facing serious federal white-collar investigations, complex criminal prosecutions, and sensitive regulatory matters. The firm’s experience includes defending cases involving criminal antitrust, tax and mortgage fraud, securities violations, healthcare fraud, OFAC issues, the FCPA, environmental charges, and RICO litigation. In state courts, the firm is equally renowned for its creative and successful advocacy in matters such as DUI manslaughter, RICO prosecutions, gambling allegations, and other high-profile criminal cases.

Markus Moss PLLC is led by founder David Oscar Markus, a Harvard-educated trial lawyer consistently recognized as one of the nation’s preeminent courtroom advocates. Alongside partners A. Margot Moss, Mona Markus, Lauren Field Krasnoff, and the firm’s distinguished team of attorneys, the firm brings unmatched trial skill, appellate insight, and strategic vision to every case. The lawyers have received top honors from Chambers & Partners, The National Law Journal, Best Lawyers in America, Super Lawyers, and other leading rankings for excellence in criminal defense.

Markus Moss PLLC is trusted by executives, public officials, celebrities, and multinational companies who seek quiet resolutions or powerful courtroom representation. The firm is known for resolving many matters privately, safeguarding reputations while protecting clients’ futures. When a case must be tried, the firm’s lawyers deliver persuasive advocacy rooted in preparation, credibility, and deep legal knowledge. Clients turn to the firm for its discretion, tenacity, and unwavering commitment to achieving the best possible outcome.