Mark Grider


Mark Grider is a partner in Cadwalader’s White Collar Defense and Investigations Group and leads the firm’s Crisis Management and Congressional Investigations Practice.

Mark has served across numerous administrations during his nearly 20 years in the federal government. Most recently, Mark served as a Deputy Associate Attorney General in the office of the Associate Attorney General in the Department of Justice, where his portfolio included criminal matters relating to the Antitrust Division, Civil Division, the Consumer Protection Branch, Environment and Natural Resources Division and the Tax Division. He is a subject matter expert on the False Claims Act, healthcare fraud, the opioid crisis, and competition and consumer harm in the online marketplace. Mark liaised on policy initiatives relating to elder fraud and financial exploitation as well as criminal antitrust procurement collusion. Prior to that, he served in the Executive Office of the President as Senior Associate Counsel and Special Assistant to the President in the Office of the White House Counsel, advising White House Counsel and senior administration officials on broad oversight and regulatory matters involving the White House, Health and Human Services, and federal agencies contributing special expertise on health care regulatory and litigation matters and science and technology oversight and policy issues. Between early 2019 and September 2020, he assisted on congressional oversight and investigations and coordinated responses to related litigation, FOIA requests, and Inspector General Investigations.

Mark has held a number of other high-profile roles, including as a federal prosecutor in the Eastern District of Virginia, Special Counsel for Health Care Fraud and executive director of the DOJ’s Intellectual Property (IP) Task Force, and as a special trial attorney in both the civil and criminal fraud sections of the Department of Justice. Mark also has extensive congressional investigative experience on Capitol Hill in both the House and Senate.

Mark also worked as a deputy compliance officer in a Fortune 500 healthcare company that was under a HHS-OIG Corporate Integrity Agreement. He knows firsthand how to counsel companies and boards on effective detection of fraud, waste and abuse and how best to refer or disclose possible fraud matters to government agencies.

In addition, Mark managed False Claims Act and bribery investigations for the DOJ’s Civil and Criminal Fraud Sections, was a member of DOJ’s Medicare Fraud Strike Force, and also served as Deputy General Counsel for the Special Inspector General for Iraq Reconstruction. As the executive director of the Justice Department’s Task Force on Intellectual Property, Mark spoke internationally on government enforcement strategies for corporate and small-business trade secret and intellectual property protection.

Mark also has extensive experience on Capitol Hill, having served as a staffer to Senator John Ashcroft and later on a Special House Investigations Committee.


More of Mark’s media hits:

When the Phone Rings: Having a Readiness Plan for a Possible Congressional Investigation

Moderator | Cadwalader | July 20, 2021

Cadwalader Attorneys Discuss Anticipated Biden Administration Enforcement Trends at Xavier University Business School Event

Quoted | Cadwalader | March 30, 2021

Cos. Should Keep A Close Watch On SIGPR Enforcement

Author | Law360 | February 10, 2021

Former Deputy Associate Attorney General Mark Grider to Join Cadwalader

Quoted | Cadwalader | December 20, 2020