Band 5
Provided by Daniel Ahn
Daniel is a leading white-collar and investigations lawyer and head of the firm’s West Coast Regulatory and Investigations practice. A former federal prosecutor and DOJ trial attorney, he guides clients through government investigations, enforcement actions, and high-stakes litigation, with an unyielding focus on results. He is also regularly called upon by companies to conduct sensitive internal investigations, often across borders.
Chambers-ranked in white-collar crime and government investigations, Daniel has deep experience in matters involving trade enforcement, economic sanctions, domestic and foreign corruption, RICO, consumer protection, environmental offenses, civil rights, and financial fraud, including securities fraud, health care fraud, and money laundering. For his case work, he has been recognized in AmLaw Litigation Daily’s Litigator of the Week Runners-Up and Shout-Outs. He also speaks and writes regularly on a range of white-collar and compliance issues, with major publications, including Bloomberg, Global Investigations Review, and the Wall Street Journal, turning to him for thought leadership.
Before joining Reed Smith, Daniel enjoyed a distinguished career at the U.S. Attorney’s Office for the Central District of California, holding multiple high-ranking positions in the Criminal Division, including senior litigation counsel, acting chief, and deputy chief, and gaining the respect of bench and bar for the quality of his trial and appellate advocacy. Before then, he served as a trial attorney in the Civil Rights Division of the U.S. Department of Justice, joining through the Honors Program.
As a federal prosecutor, Daniel worked closely with law-enforcement partners across the country and at every level of government, including state attorneys general, district attorneys, and city attorneys. With this breadth of experience, he brings key insights to clients navigating government investigations of all types, including those initiated through civil investigative demands, grand jury subpoenas, HIPAA subpoenas, and search warrants.
Daniel also co-leads the firm’s Korea Business Team – a global interdisciplinary team that provides seamless regulatory, litigation, and corporate services to Korean clients in all major industries. He has been invited on multiple occasions to deliver lectures at the Supreme Prosecutors’ Office in Seoul and at Seoul National University School of Law.
A recognized leader of the bar, Daniel serves as a Lawyer Representative to the Ninth Circuit Judicial Conference.
Provided by Chambers
Daniel Ahn of Reed Smith leverages his experience from the Department of Justice to advise clients in complex internal and government investigations.
Provided by Chambers
Daniel is unfailingly available when needed, thoughtful in his guidance and always brings empathy to conversations that are often high-pressure and emotionally difficult.
Daniel's dedication, expertise and genuine care go far beyond anything I’ve experienced. He consistently goes the extra mile. What truly sets him apart is his remarkable empathy and unwavering commitment.
Daniel demonstrates an exceptional level of professionalism and responsiveness.
Daniel is unfailingly available when needed, thoughtful in his guidance and always brings empathy to conversations that are often high-pressure and emotionally difficult.
Daniel's dedication, expertise and genuine care go far beyond anything I’ve experienced. He consistently goes the extra mile. What truly sets him apart is his remarkable empathy and unwavering commitment.
Daniel demonstrates an exceptional level of professionalism and responsiveness.