Partner
O'Melveny
Dallas, Texas
Partner at O’Melveny Law Firm. Dallas, TX

Danny Ashby advises clients in federal white-collar criminal matters, class action securities litigation, securities enforcement, and corporate internal investigations. He represents numerous public and closely held companies and trade associations in federal courts throughout the United States. Danny has tried more than 25 cases and has argued more than a dozen matters before federal appeals courts across the country. He routinely defends issuers, officers, and directors in class action and other private securities litigation brought under the 1933 Securities Act and the 1934 Securities Exchange Act. He also represents corporations and individuals in SEC investigations, False Claims Act matters, and parallel civil/criminal investigations and proceedings.
Ranked among The Best Lawyers in America for white collar criminal defense and commercial litigation, Danny’s criminal experience includes pre-indictment counseling and grand jury practice, as well as full-fledged jury trials of lengthy and complex criminal cases. Danny also devotes a substantial part of his litigation practice to federal appellate work, handling both civil and criminal appeals throughout the country. Past federal appeals have included federal securities fraud, intellectual property, and federal taxation matters, and issues involving the First, Fourth, Fifth, and Sixth Amendments.
Prior to joining O’Melveny, Danny was a Partner at another international law firm. Before entering private practice, he served under Attorney General William Barr as a trial attorney (Honors Program) in the criminal division of the US Department of Justice. He also served as a special assistant US Attorney in the Alexandria Division of the United States Attorney’s Office for the Eastern District of Virginia. Danny also served as a law clerk to Judge Edith Jones of the US Court of Appeals for the Fifth Circuit.
O'Melveny
Dallas, Texas
U.S. Department of Justice (DOJ), Criminal Division
(appointed)Texas
Honors Program
U.S. Attorney’s Office
(appointed)Virginia Eastern
Court of Appeals for the Fifth Circuit
(appointed)
Served as judicial law clerk to the Honorable Edith Jones, researching and drafting opinions, orders, and bench memoranda.
March 2025
Large government contractor in US$1.2 billion False Claims Act case in the Eastern District of Virginia. Major telecommunications provider in US$850 million False Claims Act case in the Southern District of New York. Large corporate conglomerate in a federal criminal tax matter involving the alleged failure to report and pay income taxes on more than US$60 million in revenues. Senior Enron executive in connection with federal civil and criminal charges of insider trading and securities fraud. Former executive in a United States Senate Subcommittee and federal grand jury investigation involving alleged offshore tax shelter abuses. The world’s second largest pipe manufacturer against charges of criminal OSHA violations. Major pharmaceutical company in a US$400 million securities fraud and antitrust case. A leading financial institution in multiple class action securities fraud cases alleging damages in excess of US$2 billion.
March 2025
Advanced Neuromodulation Systems, now a wholly owned division of St Jude Medical, in connection with a Federal healthcare fraud and anti-kickback investigation. Former director of Michaels Stores in connection with an SEC investigation of Michaels’ executive stock option backdating practices. Executive and non-executive employees in an SEC and federal grand jury investigation involving i2 Technologies. ReadyOne Industries, the world’s largest manufacturer of chemical warfare suits for the US military, in a federal grand jury investigation of ReadyOne’s former officers and directors.
Best Lawyers in America
Dallas, TX | March 2025
Chambers USA
March 2025
BTI Consulting Group
January 2014
Also 2016 & 2019
Texas Monthly
Texas | January 2006
Through 2012
D Magazine
Dallas, TX | March 2025
Through 2012
Law360
January 2022
LinkBloomberg BNA
June 2015
University of Texas School of Law’s 10th Annual Government Enforcement Institute (UTGEI) — Texas
September 2024
Panelist
University of Texas School of Law’s Annual Government Enforcement Institute (UTGEI) — Texas
May 2015
Moderator