LAWYER PROFILE
Mark S Cohen

Mark S Cohen

USA 2026

Chambers ranking badge
Chambers ranking badge

Ranked in 2 practice areas

About

Provided by Cohen & Gresser LLP

Practice Areas

Mark S. Cohen is a leading litigator and trial lawyer with a nationwide practice and a co-founder of Cohen & Gresser LLP. His practice is noteworthy for its scope and depth: he leads the firm’s prominent and highly-ranked practices in civil litigation, arbitration, investigations, and white collar defense, and has successfully handled hundreds of matters for clients across the U.S., Europe, and Asia. Recognizing that every client faces different and often complex situations, Mark tailors strategies to the client and situation at hand – which may involve counseling and advice, negotiation, litigation, and, where necessary, taking cases to trial. He serves as the managing partner of C&G’s New York office.

Mark is a Fellow of the American College of Trial Lawyers, with an active trial practice of civil, white collar, and regulatory cases. He has tried over 25 cases to verdict, many of which have been high-profile. Mark recently served as lead trial counsel for the defendant in United States v. Samuel Bankman-Fried, a five-week jury trial that was referred to as the “trial of the decade.” The case was covered by more than 60 media outlets and was the subject of more than one million media stories, as well as a number of books. In another matter, Mark served as lead trial counsel in the two-week jury trial of a civil insider trading case brought by the SEC against a former hedge fund analyst, achieving a complete victory; in connection with that case, Mark was subsequently selected as a Litigator of the Week by AmLaw Litigation Daily. Clients and market commentators describe Mark as “an outstanding trial lawyer and strategist who has excellent judgment,” and as someone who is “highly intelligent and strategic, great on his feet, has outstanding judgment and instincts, a calming and reassuring presence as a counselor, and is appropriately aggressive and tough when and as needed.”

Mark’s civil practice includes representing companies, board members and special committees, C-suite executives, senior employees, executors and trustees and law firm partners in a variety of complex matters. Chambers USA market commentary notes that “he is excellent at formulating strategies to deal with highly complex litigation.” He represents both plaintiffs and defendants in complex commercial disputes, including cases involving financial services, securities, corporate control, fiduciary, trusts and estates, real estate and construction, employment, aviation, and antitrust issues.

Chambers Review

Provided by Chambers

Chambers Guide to the USA

Litigation: White-Collar Crime & Government Investigations - New York

Band 1
Band 1

Individual Editorial
Mark Cohen manages the firm's New York office and has an excellent reputation for his sophisticated practice, which entails criminal defense and complex internal investigations.

Litigation: Securities - New York

Band 5
Band 5

Individual Editorial
Mark Cohen draws praise for his handling of securities class actions and derivative suits, as well as SEC enforcement proceedings.

Strengths

Provided by Chambers

  • Marc is astute an practitioner. He knows when to put on the breaks and when to accelerate.

    Litigation: White-Collar Crime & Government InvestigationsChambers Guide to the USA
  • He is strong both in advocating for his clients out-of-court and at trial.

    Litigation: White-Collar Crime & Government InvestigationsChambers Guide to the USA
  • Mark is an excellent lawyer.

    Litigation: SecuritiesChambers Guide to the USA

Ranked Individuals at Cohen & Gresser LLP (8)

District of Columbia

New York

  • Profile image of Mark S Cohen
    Mark S Cohen

    Litigation: White-Collar Crime & Government Investigations

    View profile
  • Profile image of Jonathan S Abernethy
    Jonathan S Abernethy

    Litigation: White-Collar Crime & Government Investigations

    View profile
  • Profile image of Christian Everdell
    Christian Everdell

    Litigation: White-Collar Crime & Government Investigations

    View profile
  • Profile image of Jason Brown
    Jason Brown

    Litigation: White-Collar Crime & Government Investigations

    View profile

What success is built on

Chambers is the leading data and intelligence partner for the legal sector.

Explore thought leadership