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Global Leader

Investigations 2020

Professional Biography

WWL Ranking: Recommended

WWL says

Jason S Lewis is a distinguished expert in complex investigations domestically and internationally, with deep experience in SEC and FCPA enforcement matters.


A partner based in DLA Piper's Dallas office, Jason S Lewis is a trial attorney handling civil and criminal regulatory investigations and litigation across the US and internationally. A former senior enforcement attorney with the US Securities and Exchange Commission (SEC), Jason focuses his practice on SEC enforcement, government investigations, internal corporate investigations, white-collar criminal defense, FCPA investigations, healthcare fraud, securities litigation, crisis management and business disputes. Jason has been lead trial counsel in federal jury trials brought by the Department of Justice (DOJ) and the SEC. Chambers USA described Jason as possessing "an excellent reputation for his broad white-collar practice, representing corporations and individuals in civil and criminal regulatory investigations and litigation matters."

Jason regularly represents corporate entities and their officers and directors in civil and criminal investigations and litigation involving the SEC, the DOJ, the Financial Industry Regulatory Authority (FINRA), the Federal Trade Commission (FTC), the Internal Revenue Service (IRS), the Department of Treasury's Office of Foreign Assets Control (OFAC), state securities boards and attorney general offices, as well as other state and federal governmental agencies. During his tenure at the SEC, Jason conducted numerous investigations, including accounting fraud, insider trading, FCPA, market manipulation, offering fraud, reporting and disclosure violations, and auditor misconduct. In 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 and healthcare fraud. In addition, Jason advises clients on corporate governance and compliance issues. Jason has also represented celebrities and professional sports personalities in government investigations and crisis management.

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