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Martine M. Beamon


Martine M. Beamon

White Collar Defense & Investigations
New York

Co-head of White Collar Defense & Investigations, representing individuals, boards and institutions. Former federal prosecutor. Ranked in Band 1 by Chambers.

Martine is co-head of our White Collar Defense & Investigations practice. A former federal prosecutor, she represents individuals, boards and companies in their most critical situations. She is ranked in Band 1 by Chambers, where clients say she is “an excellent partner who takes the time to truly understand our business” and offers advice that “is risk-based, practical and action-focused.” Other clients call her a “phenomenal lawyer” whose “strategic abilities … are off the charts.”

Martine represents clients in grand jury, regulatory and internal investigations involving allegations of securities fraud, sexual misconduct, tax fraud, foreign corrupt practices, money laundering, pharmaceutical and medical device marketing and anti-kickback law violations. She advises companies and boards on governance and compliance.

She is a member of the board of Prisoners’ Legal Services of New York.

Experience highlights

  • Boards, companies and individuals on workplace misconduct matters, including highly sensitive investigations, compliance and cultural assessments, and crisis management
  • A Fortune 100 company in connection with sensitive allegations of sexual misconduct
  • Acting CEO of a major not-for-profit in congressional investigation into historical sexual misconduct at the organization
  • Major professional services firms, financial institutions and other companies in investigations involving the DOJ, SEC and other regulators
  • A global financial institution in internal and DOJ investigations related to the so-called “Luanda Leaks,” involving corruption allegations against the daughter of the former president of Angola
  • A global financial institution in the industry-wide investigations into hiring practices in China of relatives of government officials, which resulted in a no-action letter from the SEC
  • The Swiss bank Neue Privat Bank in its landmark resolution with the DOJ, the first non-prosecution agreement and lowest fine for a Category 1 Swiss Bank 
  • A major financial institution in an SEC inquiry into bank-managed and advisory accounts and sales of structured products
  • Numerous broker-dealers, hedge funds and other financial institutions in investigations by state and federal regulators relating to alleged insider trading, market manipulation, and other securities law violations
  • Pentax Medical Company in a DOJ investigation relating to the FDCA, which resulted in a deferred prosecution agreement
  • A medical device manufacturer in an SEC investigation into financial disclosure issues
  • The special committee of the board of directors of a healthcare company in an internal investigation
  • A financial institution in an SEC and FINRA investigation into blue sheet reporting
  • A high-frequency trading firm in an SEC inquiry relating to the high-frequency trading industry, which ended without enforcement action
  • Major pharmaceutical companies in a number of matters, including federal grand jury investigations, as well as related civil and regulatory matters, including under the False Claims Act (FCA)
  • Government contractors responding to civil investigative demands (CIDs) and the Federal Acquisition Regulation (FAR)

Because of the nature of Martine’s assignments, many of her most successful matters have not resulted in public charges and remain confidential.

View more experience


SEC & CFTC Enforcement Update



Chambers USA – White-Collar Crime & Government Investigations, New York, Band 1

Chambers USA – Securities: Regulation: Enforcement

Legal 500 U.S. – Corporate Investigations and White Collar Criminal Defense: Advice to Corporates

Benchmark Litigation – United States and New York, Star; “Top 250 Women in Litigation”

City & State New York – “Law Power 100,” 2022

Global Investigations Review – Women in Investigations, 2021

Euromoney LMG Americas Women in Business Law Awards – “Best in White Collar,” 2020

Crain’s New York Business – “Notable Women in Law,” 2019

New York Business Journal – “Women of Influence,” 2018

Ethisphere – “Attorneys Who Matter,” 2014

Who’s Who Legal – Business Crime Defence (Individuals and Corporates), Thought Leader and Global Leader


J.D., University of Pittsburgh School of Law
  • summa cum laude
  • Valedictorian
  • Symposium Editor, University of Pittsburgh Law Review
B.A., University of Notre Dame
  • with honors


Law Clerk, Hon. Denis R. Hurley, U.S. District Court, E.D. New York, 1993-1995

Professional history

  • Davis Polk, 1992-1993 and 2000-present
  • Assistant U.S. Attorney, U.S. Attorney's Office, Southern District of New York, 1995-2000

Qualifications and admissions

  • State of New York
  • U.S. Court of Appeals, Second Circuit
  • U.S. District Court, E.D. New York
  • U.S. District Court, S.D. New York
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