Mary Mulligan

Friedman Kaplan Seiler & Adelman LLP

My Contact Information

Friedman Kaplan Seiler & Adelman LLP
Phone 1: 212-833-1250

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New York


​Mary Mulligan has broad and deep experience in white collar criminal defense and internal investigations: over the course of her more than 25-year career, she has handled matters involving virtually all aspects of white collar crime. Today, she represents clients in the financial services and other industries in connection with allegations of money laundering, insider trading, Foreign Corrupt Practices Act violations, criminal antitrust violations, securities fraud, tax fraud, off-label marketing, False Claim Act violations, mail and wire fraud, Federal Election Campaign Act violations, public corruption, healthcare fraud, and other matters. She has also served as an integrity counsel to a hedge fund and as a monitor in the construction industry, and handles a variety of matters involving institutions of higher education, including advising on governance, intellectual property, Title IX issues, allegations of sexual assault and abuse, conducting internal investigations, and responding to local, state, and federal inquiries. 

From 1997 to 2002, Ms. Mulligan served as an Assistant United States Attorney for the Southern District of New York, directing investigations and prosecutions of fraud, public corruption, and financial crime.

Practice Areas

  • Anti-Corruption
  • Antitrust
  • Congressional Investigations
  • Corporate Crime
  • Corporate Governance
  • Crisis Management
  • Due Diligence Investigations
  • Financial Services
  • Foreign Corrupt Practices Act
  • Government Contracting, Bid Protests and the False Claims Act
  • Government Investigations
  • Healthcare
  • Insider Trading
  • Internal Investigations
  • Qui Tam; Whistleblower Defense
  • SEC Enforcement
  • Securities & Futures Regulation
  • Securities Litigation
  • State Attorney Generals
  • Tax Controversy
  • Title IX
  • Trade Secrets
  • Trials
  • White Collar Crime