Mark Cuccaro

Mark Cuccaro is a partner at Sher Tremonte who specializes in high-stakes litigation, including commercial contract disputes, securities litigation, intellectual property matters, and FINRA arbitrations. Known for his pragmatic and results-driven approach, he represents clients across diverse industries such as finance, media, and technology, earning a reputation for precision and responsiveness.

Mark holds a J.D. with honors from the University of Chicago Law School, where he served as an editor of the Chicago Journal of International Law and received the Bell, Boyd and Lloyd Best Advocate Award. He also earned a B.A. cum laude from Dartmouth College. His academic background strengthens his ability to craft sharp legal arguments and assess complex issues thoroughly.

Before joining Sher Tremonte, Mark served as Vice President and Associate General Counsel at Penson Worldwide Inc., where he oversaw litigation matters for the public brokerage firm. His earlier tenure at Mayer Brown LLP provided foundational experience in commercial litigation, shaping his meticulous and strategic legal style.

Mark Cuccaro has guided clients to major victories, including full dismissals of multimillion-dollar lawsuits at both trial and appellate levels. He successfully defended corporate and individual clients in cases involving breach of contract, trade secret misappropriation, and fiduciary duty disputes. His efforts have helped clients avoid costly litigation and achieve favorable settlements.

Recognized by Super Lawyers and Lawdragon 500 Leading Litigators in America, Mark continues to be a sought-after advocate for companies, private equity firms, and investors. Whether prevailing in complex commercial disputes or advising on litigation strategy, he consistently delivers insightful counsel and effective advocacy tailored to his clients’ goals.

Law Office Affiliations

• Partner, Sher Tremonte

Licensed State

• New York

Education

• University of Chicago
  Juris Doctor (JD)
• Dartmouth College
  BA with Cum Laude

Awards & Badges