Jason S. Lewis

Jason S. Lewis


Jason Lewis is a Shareholder practicing out of Greenberg Traurig’s Texas offices. Jason, a former Enforcement Attorney with the U.S. Securities & Exchange Commission, is a trial attorney who handles civil and criminal regulatory investigations and litigation matters for corporations and individuals across the country and internationally. His practice focuses on SEC enforcement, securities class actions, government investigations, conducting internal corporate investigations, white collar criminal defense, crisis management, and business disputes and litigation. Jason has been the lead lawyer in federal jury trials relating to securities fraud claims brought by both the Department of Justice (DOJ) and the U.S. Securities and Exchange Commission (SEC). He routinely handles high-profile and high-stakes matters.

Jason represents public companies and their officers and directors in securities class actions, derivative actions, state and federal litigation, and arbitrations. He 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), Internal Revenue Service (IRS), Department of Treasury’s Office of Foreign Assets Control (OFAC), state securities boards, as well as numerous other state and federal governmental agencies.

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

The 2017 edition of 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. One interviewee highlights his strength in SEC investigations, while others were left "very, very impressed" with his work.”


  • SEC investigations and litigation
  • Securities class actions
  • Government investigations
  • Internal corporate investigations
  • Crisis management
  • Foreign Corrupt Practices Act
  • White collar criminal defense
  • Securities litigation
  • FINRA enforcement
  • Business disputes and litigation
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Jason has handled investigations and litigation arising out of every SEC Regional Office and the SEC’s Home Office in Washington, DC. He interacts with SEC staff on a nearly daily basis and has handled numerous high profile SEC matters in Texas and around the country.

  • Obtained jury verdict finding no liability for client on all fraud-related securities and unregistered securities claims brought by the SEC after an eight-day jury trial. Lead trial counsel in SEC enforcement action against former CEO and Chairman of Servergy, Inc. Also charged in the SEC's action was Texas Attorney General Ken Paxton for allegedly recruiting investors while hiding that he was being compensated to promote the company's stock. SEC v. William E. Mapp, III, No. 4:16-cv000246, In the Eastern District of Texas (Jury verdict returned on December 13, 2017).
  • Obtained summary judgment against the SEC in an insider trading case brought against the Chairman of the Board of consumer financial services provider. SEC v. Powell, Civil Action No. 6:11-CV-161-WSS (W.D. Tx. Opinion dated Oct. 11, 2012).°
  • Obtained dismissal of SEC lawsuit against the former CEO and COO of the Ticket Reserve Inc. The SEC obtained a receiver over the company and brought the action against the executives under the “scheme liability” provisions of the federal securities fraud laws based upon a $33 million fraudulent solicitation of investments by a Ticket Reserve board member from his clients, most of whom are professional athletes. The case was subsequently settled. SEC v. Narayan et al., Civil Action No.: 3:16-cv-1417-M, (N.D. Tx. Opinion dated August 28, 2017).
  • Obtained denial of SEC Preliminary Injunction application against Pacific West Capital Group and its CEO in the Central District of California. SEC v. Pacific West Capital Group, Inc., et al, 2:15-cv-02563-FMO-FFM, In the United States District Court, Central District of California (June 2015).
  • Obtained termination letter from SEC for a senior executive of a publicly-traded oil field service company closing its nine month insider trading investigation relating to a proposed merger announcement. (2016)
  • Obtained termination letter from SEC closing its nearly three-year insider trading investigation of a senior officer of a publicly-traded technology company. (2016)
  • Obtained termination letter from SEC closing its nearly two-year investigation into alleged FCPA violations in Asia by publicly-traded gaming company. (2015)
  • Obtained termination letter from SEC closing its 14-month insider trading investigation into alleged insider trading and tender offer violations against an attorney and investor of a publicly-traded bank. (2014)
  • Obtained termination letter from SEC closing its two-year investigation into alleged insider trading allegations against CEO of publicly-traded energy company.° (2013)
  • Obtained termination letter from SEC closing its 12-month investigation into registration and anti-fraud allegations against international fund and its principals.° (2012)
  • Obtained termination letter from SEC closing its 18-month investigation into alleged anti-fraud violations against publicly-traded software company and its CEO. SEC brought enforcement action against several other individuals as a result of its investigation.° (2009)
  • Representing three individual defendants in SEC litigation brought in federal court in Arizona related to an alleged “pump and dump” scheme to manipulate the market of Crown Dynamics Corp. SEC v. Zouvas, et al., No. CV-17-00427-PHX-SPL, District of Arizona. (2017)
  • Representing former CFO of medical device company in a strict liability Sarbanes-Oxley Section 304 executive claw-back action brought by the SEC. SEC v. Michael Gluk, Civil Action No. 1:12-C V-285-SS, In the Western District of Texas, Austin Division.
  • Obtained favorable settlement for former director of oil field services company after three-year investigation and litigation by SEC related to alleged insider trading allegations. Obtained a discovery sanction award against the SEC during pretrial litigation.° SEC v. Robert L. Hollier and Wayne A. Dupuis, Civil Action No. 6:09-cv-00928 (W.D. La. 2011).
  • Obtained favorable settlement for high-net worth individual and company related to allegations of a fraudulent tender offer brought by the SEC in the Southern District of New York. SEC v. Luis Chang and Everbright Development Overseas, Limited, Civil Action No. 14 4132 (ER) (S.D.N.Y. 2015).
  • Represented Chairman of publicly-traded financial services company in two-year SEC investigation. Client was not charged while four other executives and board members entered into settled actions with the SEC. (2012 – 2015)
  • Represented Southlake Resources and its President in settled SEC action related to the offer and sale of interests in oil and gas joint ventures. SEC v. Southlake Resources Group, LLC, et al., Civil Action No. 16-cv-4:16-00992 (N.D. Tex. Oct. 24, 2016)
  • Represented former CEO and Chairman of publicly-traded energy company in settled action brought by the SEC in the Western District of Oklahoma. SEC v. Jerry D. Cash, case number 09-cv-00639, in the U.S. District Court for the Western District of Oklahoma (W.D. Okla. 2009).
  • Obtained dismissal with prejudice of all claims against Whole Foods Market, Inc. and its executive management in putative class action on behalf of investors in WFM stock between July 31, 2013, and July 29, 2015, alleging that WFM and certain executives violated Section 10(b) and Rule 10b-5 by making material misrepresentations that obscured weights and measures violations in California and New York City stores. Markman v. Whole Foods Market, Inc., et al., No. 1:15-cv-681-LY, (W.D. Tx. Opinion dated August 25, 2017). 
  • Represented the former CFO of ArthroCare Corp. in securities class action amid accusations that material misrepresentations led to a restatement of financial results. Also represented former CFO in federal and state derivative suits alleging a breach of fiduciary duty. In re ArthroCare Securities Litigation, (U.S. District Court for the Western District of Texas, Austin Division). °
  • Lead counsel for Pacific West Capital Group and its owner and president in putative class action brought by purchasers of fractional interests in life settlements through Defendant Pacific West Capital Group, Inc., alleging violations of the California Corporate Securities Act; common law negligence, fraud, and related claims; breach of contract; and other California statutory causes of action. Shechter, et al. v. Pacific West Capital Group, Inc. et al., Case No. BC-621512, Superior Court, County of Los Angeles.
  • Represented former Chairman of the Board of Penson Worldwide, Inc., in breach of fiduciary duty litigation brought by the liquidating trust in Texas State Court. Penson Technologies LLC and its Chief Officer, acting in his capacity as representative of the bankruptcy estates of Penson Worldwide, Inc., et al. vs. Philip A. Pendergraft, Roger J. Engemoen, Jr., David M. Kelly, James S. Dyer, David Johnson, David A. Reed, Kevin McAleer, and Thomas R. Johnson; Cause No. CC-14-00873-C, in the County Court at Law No. 3, Dallas County, Texas.
  • Represented former CEO and Chairman alleging violations of Section 10(b) of the Exchange Act, in suits by two independent classes, based on an alleged off-the-books loan and check-kiting scheme, as well as in several state and federal derivative suits alleging a breach of fiduciary duty. Friedman v. Quest Energy Partners LP, and Jents v. Quest Resource Corporation, (U.S. District Court for the Western District of Oklahoma, Oklahoma City Division). °
  • Lead counsel for former CEO and Chairman of Servergy, Inc. with regard to allegations of violations of the Alabama and Texas Securities Acts, among other causes of action. Breslin, et al. v. Servergy, et al., Cause No. DC-16-01483, in the 101st Judicial District Court of Dallas County, Texas.
  • Represented German private equity firm in minority shareholder dispute with publicly-traded U.S. technology company.
  • Lead trial counsel for former CFO of publicly-traded medical device company in 18-day federal criminal securities fraud trial alleging nearly $1 billion in investor losses. S.A. v. Baker, Criminal Action No. 1:13-CR-346-SS, In the Western District of Texas, Austin Division. (2015) Conviction was reversed and remanded by the Fifth Circuit in 2016. After initially receiving a sentence of 120 months, the former CFO was ultimately sentenced to 50 months after entering into a favorable plea with the government.
  • Representing numerous current and former employees of publicly-traded MSB in DOJ investigation.
  • Represented former lead systems engineer at a Dallas technology firm charged with embezzling $2.4 million from the company by causing it to place orders with fictitious businesses he created and using the funds for his own use. USA v. Chang, Case No. 3:16-cr-00329, In the U.S. District Court for the Northern District of Texas.
  • Represented publicly-traded oil field services company in Department of Justice FCPA investigation relating to issues in Nigeria, Kazakhstan, Colombia and Mexico.
  • Obtained cautionary letter from OFAC for Hollywood actor resulting from travel to Cuba.°
  • Represented former CEO and Chairman of energy company relating to USAO investigation in the Western District of Oklahoma.
  • Represented individual relating to alleged billion-dollar gambling operation in DOJ investigation. Obtained probation with no jail time.°
  • Represented Texas based energy company and its principals for alleged criminal securities fraud brought by Butler County Prosecutors Office in Butler County, Ohio.
  • Defended individual from criminal violations and obtained civil settlement with no criminal action in alleged structuring case investigated by U.S. Attorney's Office for the Eastern District of Texas and IRS CID.
  • Representing key witness relating to a criminal indictment of a Texas government official.
  • Conducted internal whistleblower investigation for publicly-traded international building manufacturer.
  • Conducted internal investigation for market analysis and intelligence firm regarding potential insider trading.°
  • Conducted internal investigation for financial services company relating to potential misconduct and kickbacks between financial advisor and county official.°
  • Conducted special committee investigation for regional bank regarding potential securities violations and bank fraud.°
  • Conducted internal investigations for publicly-traded energy company involving financial reporting.°
  • Conducted internal investigation for energy company regarding FCPA and export control issues.
  • Represented former Major League Baseball manager Ron Washington in his separation with the Texas Rangers.
  • Obtained dismissal of plaintiff’s putative class action claim against RLS Supermarkets, Inc. alleging RLS had violated the Fair and Accurate Credit Transactions Act (“FACTA”) by printing his credit card’s expiration date on his receipt. The district court concluded that Plaintiff lacks constitutional standing to sue because the inclusion of his card’s expiration date is not a concrete injury, and consequently dismissed for lack of subject matter jurisdiction. Plaintiff has appealed to the Fifth Circuit. Batra v. RLS Supermarkets, Inc., No. 3:16-cv-02874-B (N.D. Texas Opinion dated August 9, 2017).
  • Represented former executives against allegations of breaching fiduciary duty, usurping corporate opportunities, and sharing confidential and proprietary information in competition with former employer.
  • Represented former CFO of publicly-traded restaurant chain in separation with company.
  • Obtained summary judgment with regard to multimillion-dollar breach of contract claim for financial services company.°
  • Represented financial services company in class action, multi-district litigation and opt-out litigation.°

°The above representations were handled by Mr. Lewis prior to his joining Greenberg Traurig, LLP.

  • Enforcement Attorney, Securities and Exchange Commission, 2004-2007

Recognition & Leadership

  • Listed, Chambers USA Guide, Litigation: White Collar Crime and Government Investigations, 2017
  • Team Member, U.S. News - Best Lawyers®, Best Law Firms Edition, "Law Firm of the Year," Banking & Finance - Litigation, 2017
  • Listed, D Magazine, "Best Lawyers in Dallas – Securities Litigation & Enforcement," 2016-2017
  • Listed, Super Lawyers magazine, Texas Super Lawyers, 2015-2017
  • Tribal Member, Cherokee Nation of Oklahoma
  • National Board of Trustees, Hugh O’Brian Youth Leadership
  • Member, Association of Securities & Exchange Commission Alumni (ASECA)
  • Member, American Bar Association, Criminal Justice Section
  • Member, State Bar of Texas
  • Member, Dallas Bar Association, Securities Section
  • Member, Sooner Club and OU Club of Dallas


  • J.D., Cornell Law School, 1998
    • Concentration in Business Law and Regulation
  • B.A., with distinction, University of Oklahoma, 1995
  • Texas
  • U.S. Court of Appeals for the Fifth Circuit
  • U.S. Court of Appeals for the Tenth Circuit
  • U.S. District Court for the Northern District of Texas
  • U.S. District Court for the Eastern District of Texas
  • U.S. District Court for the Southern District of Texas
  • U.S. District Court for the Western District of Texas
  • U.S. District Court for the Western District of Oklahoma