LAWYER PROFILE
Katherine Stoller

Katherine Stoller

USA 2026

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Ranked in 2 practice areas

About

Provided by A&O Shearman

Practice Areas

Katherine is US Head of Investigations & White Collar. She focuses on complex criminal and regulatory enforcement matters and internal investigations involving allegations of money laundering, AML/BSA violations, economic sanctions violations, financial fraud, corruption, and workplace misconduct. She has represented global banks and leading businesses in resolving multifaceted cross-border investigations that present uniquely challenging legal and operational issues.

Katherine has represented companies and individuals under investigation by government authorities including the U.S. Department of Justice, the Securities and Exchange Commission, the Federal Reserve Board, the Office of the Comptroller of the Currency, the New York Department of Financial Services, and the Office of Foreign Assets Control. Conducting and overseeing corporate internal investigations is a cornerstone of Katherine’s practice. She is skilled at resolving the many legal, regulatory and technical issues arising in fact-finding for global concerns operating under close regulatory supervision.

Katherine frequently advises boards of directors and special committees overseeing government and internal investigations, as well as on governance and compliance. Katherine’s practice also includes BSA/AML, sanctions, and anti-corruption advice, including related bank regulatory advice to U.S.- and non-U.S. financial institutions. Katherine has deep experience defending high-stakes civil securities fraud claims and represents clients in a wide range of complex commercial disputes, particularly in cross-border litigation.

Career

Columbia Law School, J.D., Harlan Fiske Stone Scholar

Yale University, B.A., magna cum laude, Phi Beta Kappa

Admissions: New York

Personal

https://www.shearman.com/en/people/s/stoller-katherine

Chambers Review

Provided by Chambers

Chambers Guide to the USA

Financial Services Regulation: Banking (Enforcement & Investigations) - USA - Nationwide

Band 4
Band 4

Individual Editorial

Katherine Stoller is the US head of investigations and white‑collar at the firm. She leads cross‑border litigation, enforcement matters and conducts internal investigations into breaches of economic sanctions, money laundering, AML/BSA violations and financial fraud.

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

Band 5
Band 5

Individual Editorial
Katherine Stoller is noted for her expertise in representing companies and individuals in criminal proceedings, investigations and regulatory issues.

Strengths

Provided by Chambers

  • She is the right mix of knowing the facts but being able to keep a big-picture strategy.

    Financial Services Regulation: Banking (Enforcement & Investigations)Chambers Guide to the USA
  • Katherine has a good view of everything and provides pragmatic advice.

    Financial Services Regulation: Banking (Enforcement & Investigations)Chambers Guide to the USA
  • Katherine is an extremely able and strategic lawyer.

    Litigation: White-Collar Crime & Government InvestigationsChambers Guide to the USA
  • Katherine is a master at handling contentious situations with poise and sharp intellect.

    Litigation: White-Collar Crime & Government InvestigationsChambers Guide to the USA

Ranked Individuals at A&O Shearman (79)

California

California: San Francisco, Silicon Valley & Surrou

District of Columbia

  • Profile image of Adam B Schwartz
    Adam B Schwartz

    Litigation: White-Collar Crime & Government Investigations

    View profile
  • Profile image of Mark Lanpher
    Mark Lanpher

    Litigation: White-Collar Crime & Government Investigations

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New York

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