Dan Reidy is a trial lawyer with extensive experience handling numerous "high-profile" cases. He represents companies and individuals involved in criminal and other enforcement investigations. Dan also represents companies in complex civil litigation of all kinds, including patent, product liability, securities, False Claims Act, antitrust, post-acquisition, labor and employment, and commercial disputes. In addition, he heads Jones Day's Business and Tort Litigation (USA) Practice.

As lead counsel, Dan has tried civil and criminal cases to bench and to jury in state and federal courts, representing both defendants and plaintiffs. He also has led the briefing and done the oral arguments in numerous cases in the federal appellate courts, including the Seventh, Federal, and Eleventh Circuits. Dan's practice also involves counseling companies, boards of directors, individual directors, and audit and special committees in situations involving financial restatements, derivative claims, and criminal investigations of senior company officers, among others. As a prosecutor and ultimately as first assistant in the Chicago U.S. Attorney's Office, he focused on matters involving allegations of complex financial crimes. He was the lead prosecutor in the "Greylord" judicial corruption project and personally prosecuted a number of judges, lawyers, and court personnel.

Dan is a Fellow of the American College of Trial Lawyers and of the International Academy of Trial Lawyers. He is a member of the ABA (Criminal Justice and Litigation Sections), Federal Bar Association, Chicago Bar Association, and Chicago Council of Lawyers. He has taught trial practice to law students and practicing lawyers and has spoken on criminal defense and civil litigation issues at many seminars.