Jack Theis

Jack Theis

Riley Safer Holmes & Cancila LLP

Recognized since 2022

Chicago, Illinois

Practice Areas

Criminal Defense: White-Collar

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ack Theis represents clients in times of crisis. As a former Associate White House Counsel, Department of Justice trial lawyer, and civil litigator, he brings a wealth of public and private sector experience to companies and industry leaders facing complex challenges. Known for keeping an even keel in high-stress situations, Jack brings a practical approach to complicated problems. He counsels clients facing individual and class action litigation, government investigations, and multidimensional crises involving legal and reputational risks. Jack has experience handling matters involving cybersecurity and data privacy, internal and government investigations, antitrust and competition law, constitutional challenges, and other legal risks and challenges.


  • 70 West Madison Street, Suite 2900
    Chicago, IL 60602


  • Sex: Male


  • Northwestern University , J.D., graduated 2005
  • Georgetown University, B.A., graduated 2000

Bar Admissions

  • Illinois, Illinois State Bar


  • Chicago Bar Association - Member

Federal Clerkships

  • United States Court of Appeals
  • United States District Court

Recognized in The Best Lawyers in America® 2022 for work in:

  • Criminal Defense: White-Collar


  • The Best Lawyers in America, Best Lawyers (Commercial Litigation, 2022)
  • U.S. Department of JusticeSpecial Commendation for Outstanding Service in the Civil Division (2016)

Government Service

Special Assistant to the President and Associate White House Counsel

Trial Attorney, U.S. Department of Justice, Federal Programs Branch

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