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 worked across multiple administrations, most recently serving 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.