Jason Lewis > DLA Piper LLP (US) > New York, United States > Lawyer Profile

DLA Piper LLP (US)
NEW YORK, NY 10020-1104
United States
Jason Lewis photo

Work Department

Litigation, Arbitration and Investigations; Corporate and Securities Litigation; Global Governance and Compliance; Investigations; Class Actions; White Collar and Corporate Crime




Jason is a trial attorney who handles civil and criminal regulatory investigations and litigation matters across the Unites States and internationally. Jason, a former senior enforcement attorney with the US Securities & Exchange Commission (SEC), focuses his practice on SEC enforcement, government investigations, conducting internal corporate investigations, white collar criminal defense, FCPA matters, securities litigation, healthcare fraud, crisis management and business disputes. Jason has been the lead attorney in federal jury trials brought by the Department of Justice (DOJ) and the SEC. Jason routinely handles high-profile and high-stakes matters. 

Jason has defended and regularly represents corporate entities, officers, directors, investment advisors, hedge funds, broker dealers and individuals in civil and criminal investigations and litigation involving the SEC, DOJ, the Financial Industry Regulatory Authority (FINRA), Federal Trade Commission (FTC), Internal Revenue Service (IRS), Department of Treasury’s Office of Foreign Assets Control (OFAC), state securities boards and attorney general offices, as well as numerous other state and federal governmental agencies. He also represents public companies and their officers and directors in securities class actions, derivative actions, state and federal litigation and arbitrations.

During his tenure at the SEC, Jason conducted numerous investigations, including accounting fraud, insider trading, market manipulation, offering fraud, reporting and disclosure violations and auditor misconduct. After returning to private practice, Jason has conducted a broad range of internal corporate investigations, which include accounting irregularities, FCPA issues, export controls and sanctions, insider trading, public corruption, bank fraud, healthcare fraud and employee malfeasance. In addition, Jason advises clients on corporate governance and compliance matters.


J.D., Business Law and Regulation, Cornell Law School; B.A., University of Oklahoma

Lawyer Rankings

United States > Dispute resolution > Corporate investigations and white-collar criminal defense

The team at DLA Piper LLP (US) is able to draw on the firm’s global network to handle government investigations and enforcement matters involving multiple jurisdictions. In 2018, the Dallas office was joined by Jason Hopkins and Jason Lewis from Greenberg Traurig LLPJoel Athey joined in Los Angeles from Holland & Knight LLPJeffrey Tsai joined in San Francisco from Alston & Bird LLP and the Chicago office welcomed Matt Hiller from the DOJ. Highlights for Washington DC’s John Rah included assisting Pfizer with the negotiation of a Corporate Integrity Agreement with the DOJ to resolve allegations that donations the client made to independent charity patient assistant programs were improper. In another standout matter, New York’s Karl Buch represented the Audit Committee of Cognizant Technology Solutions, successfully convincing the DOJ to decline charges following an investigation into potential FCPA violations; in a parallel case, he secured a settlement with the SEC in administrative proceedings. Gail Rodgers is engaged by GlaxoSmithKline on a number of government and internal investigations. The team is chaired by Jonathan King in Chicago and John Hillebrecht in New York; Jessica Masella in New York is also a name to note.

Greenberg Traurig LLP‘s group is chaired by John Pappalardo in Boston and Washington DC’s Nathan Muyskens. Muyskens represented Cambridge Analytica in relation to Mueller’s special counsel and various House and Senate investigations into alleged Russian interference in the 2016 presidential election. In Miami, Mark Bloom assisted Citibank with an internal investigation following an SEC action against a former customer for securities fraud. In 2018, Geoffrey Berman left the firm to serve as US attorney general for the Southern District of New York, while Jason Lewis joined DLA Piper LLP (US). Jessica Natali joined the Philadelphia office after serving as assistant US attorney general for the Eastern District of Pennsylvania, and brings with her substantial trial experience. John Gibbons in Chicago and David Weinstein in Tampa are also recommended. In March 2019, former department co-head Marc Mukasey left the firm to co-found Mukasey Frenchman & Sklaroff LLP.