Daniel T. Hartnett is a Member the Litigation Practice Group in Clark Hill's Chicago office. Dan's practice focuses on the representation of individuals and entities in federal criminal investigations and prosecutions involving the FBI, IRS, SEC, HHS, USDA, FDA and Postal Inspection Service and related enforcement actions in parallel civil suits and administrative proceedings. He represents individuals and entities in civil tax controversies, including audits, summons enforcement proceedings, prepayment judicial review in the U.S. Tax Court and refund litigation in federal district courts. He also regularly represents accountants, attorneys, physicians and other professionals before licensing authorities. Dan has broad experience conducting corporate internal investigations and providing counsel and crisis communication to general counsel, senior management and boards of directors.

Prior to entering private practice, Dan served as a Trial Attorney in the Tax Division of the U.S. Department of Justice, Office of Special Litigation (1984-1986) and Criminal Section (1982-1984). He also served as a Captain in the United States Army Judge Advocate General’s Corps (1978-1982).