att name

Christopher F. Regan


  • p. 202.349.7970
  • f. 202.349.8080


For more than 20 years, Chris Regan has represented corporations and their CEOs, CFOs and other C-suite executives in complex criminal and related civil administrative litigation at both the state and federal levels.  He has represented numerous individual defendants in parallel proceedings involving DOJ, SEC and State AG investigations; administrative and/or regulatory enforcement litigation with agencies such as OFHEO, FHFA, FDIC, the Federal Reserve, and the OCC; and the defense of related class action, derivative and ERISA litigation. Mr. Regan is recognized in the Legal 500 for White Collar Criminal Defense and Best Lawyers in America in the fields of White Collar Criminal Defense and Corporate Governance and Compliance Law.

Mr. Regan's broad range of experience includes conducting internal investigations and the defense of criminal and/or grand jury investigations involving accounting fraud, internal controls and corporate governance, tax fraud, FCPA violations, anti-trust violations, mail and wire fraud, theft of trade secrets and a wide array of environmental crimes.

He has had a role in some of the most significant litigation in the past decade, including:

  • Leading BuckleySandler litigation team in representation of the Navajo Nation in a landmark lawsuit alleging that the U.S. had breached its historical fiduciary obligations by failing to manage, invest and account for tribal trust funds and resources under the custody and control of the U.S. in a manner that would maximize the financial return from those assets. The Firm secured $554 million settlement on behalf of its client, the largest settlement obtained in any action by a single Native American tribe against the U.S.
  • Representation of the former Controller at Fannie Mae in parallel SEC, OFHEO, and pending class action derivative litigation, resulting in no SEC charges, a no admission of liability settlement with OFHEO, and contempt findings against OFHEO being upheld by the DC Circuit as a of result OFHEO’s e-discovery violations.
  • Representation of an individual in the FCPA “Gabon Sting Case” ultimately resulting in dismissal of all charges by DOJ.  Assisted trial team before and during 18 week criminal jury trial.
  • Representation of former executive of Freddie Mac in securities fraud investigation by SEC regarding financial disclosures of mortgage losses, resulting in Staff’s decision not to recommend enforcement action.
  • Representation of numerous AOL executives in parallel grand jury, SEC, and class action litigation involving allegations of accounting fraud, resulting in complete vindication on summary judgment in the class action litigation, no charges against any client and the dismissal of class action litigation against AOL president on jurisdictional grounds.
  • Representation of Major League Baseball players during Congressional Hearings and Investigations regarding use of performance enhancing drugs (HGH, Steroids).
  • Representation of senior executive and employee of BP in ongoing civil and criminal investigations related to the Deepwater Horizon in the Gulf of Mexico.
  • Representation of foreign and domestic nationals in ongoing DOJ antitrust investigations of auto parts industry.

Mr. Regan’s environmental practice ranges from conducting internal investigations to trial defense with a strong focus on the unique suspension and debarment issues that arise under the EPA’s program. In addition to his civil and criminal enforcement experience, he has experience with lender liability issues, environmental due diligence, toxic tort ligation, superfund cost recover and contribution actions, and compliance planning for environmental health and safety issues.

Mr. Regan's environmental experience includes:

  • Representation of senior EHS executives in DOJ criminal investigations of electroplating, textile, and power generation facilities.
  • Representation of senior executive of W.R. Grace indicted in largest environmental case brought by DOJ/EPA.  Assisted trial team before and during 12 week criminal trial, resulting in acquittal for client on all charges.
  • Representation of cruise line and commercial vessels construction industry and international food producer before EPA’s Suspension and Debarment Division. Negotiated administrative agreement with EPA’s SDO to resolve all automatic debarment issues associated with criminal plea agreements.

Significant Representations


In The News

Awards & Recognition

  • Best Lawyers 2017: Corporate Compliance Law, Corporate Governance Law, Criminal Defense - White-Collar
  • Legal 500 2016: Recognized in the Litigation - White-Collar Criminal Defense practice area
  • Chambers USA 2016: Recognized Practitioner, DC Litigation: White-Collar Crime & Government Investigations
  • Super Lawyers 2016: Criminal Defense: White Collar
  • Chambers USA 2015: Noted Practitioners, Litigation: White Collar Crime & Government Investigations - Washington, DC
  • Legal 500 2015: Recognized in the Litigation - White Collar Criminal Defense practice area
  • Super Lawyers 2015: Criminal Defense: White Collar 
  • Legal 500 2014: Recognized in the Litigation - White Collar Criminal Defense practice area
  • Super Lawyers 2014: Criminal Defense (White Collar)
  • Best Lawyers 2014: Corporate Governance Law, Corporate Compliance Law, Criminal Defense - White Collar
  • Legal 500 2013: White Collar Criminal Defense
  • Super Lawyers 2013: Criminal Defense (White Collar)
  • Best Lawyers 2013: Corporate Governance and Compliance Law, Criminal Defense - White Collar
  • Best Lawyers 2012: Corporate Governance Law, Corporate Compliance Law
  • Best Lawyers 2011: Corporate Governance Law, Corporate Compliance Law