Leigh A.Krahenbuhl


Chicago + 1.312.269.1524

Leigh Krahenbuhl represents companies and their directors and officers in high-stakes government and internal investigations. She has significant experience conducting sensitive U.S. and cross-border investigations for clients facing criminal, civil, and regulatory compliance issues. Leigh also has handled complex matters in state and federal courts and has diverse experience with motions practice and appellate briefing.

On behalf of businesses and individuals, Leigh has investigated and defended allegations of health care, securities, and other financial fraud, as well as environmental crimes and trade secret theft. Her recent matters include representing one of the world's largest companies through a cross-border internal investigation and defending a nonprofit organization in a False Claims Act investigation. Leigh is also experienced in counseling corporate clients regarding compliance with federal laws, including the Foreign Corrupt Practices Act.

Leigh maintains an active pro bono practice and has briefed and argued a case in the U.S. Court of Appeals for the Seventh Circuit on behalf of a federal habeas petitioner.


  • Multinational manufacturing firm receives full declination in federal forced labor and securities grand jury investigationJones Day successfully represented a publicly traded multinational manufacturing firm in a federal grand jury investigation into alleged forced labor and securities offenses related to its operations in China.
  • National retail pharmacy obtains dismissal of purported False Claims Act claimsJones Day prevailed on behalf of a national retail pharmacy on motions to dismiss two qui tam suits brought under the federal False Claims Act, Anti-Kickback Statute, and Civil Monetary Penalties Law.