Mark L. Radtke



(312) 474-1649

(312) 382-8910

Mark focuses his practice on corporate reorganization, creditors’ rights, and bankruptcy. He advises debtors, trustees, assignees for the benefit of creditors, committees, financial institutions, secured and unsecured creditors, and interest holders on all aspects of in- and out-of-court restructurings including chapters 7, 11 and 15 cases. He represents clients in a range of industries, including manufacturing, retail, real estate, automotive, trucking, financial, publishing, education, energy, entertainment, health care and service industries. He has litigated contested matters in state, federal, and appellate courts.

Mark has co-authored chapters in West’s Commercial Bankruptcy Litigation and the Illinois Institute for Continuing Legal Education’s Secured Transactions. He has also published articles in the American Bankruptcy Institute’s ABI Journal. Mark has been named an "Illinois Leading Lawyer" by the Law Bulletin Publishing Company and a "Rising Star" by Law & Politics Magazine.

Mark earned his J.D. with high honors from Chicago-Kent College of Law and his B.B.A. from University of Iowa. In law school, he was executive articles editor for the Chicago-Kent Law Review and was elected to the Order of the Coif.



Leading Lawyers Network Recognizes 26 Cozen O’Connor Lawyers as Top Illinois Practitioners

January 26, 2021

The Leading Lawyers Network has named 24 Cozen O’Connor lawyers to its annual list of Illinois’ top practitioners and named two others as Emerging Lawyers in its 2021 survey results.

With Global Bankruptcy Filings Increasing, Cozen O’Connor Adds Eight Veteran Attorneys to its Bankruptcy, Insolvency & Restructuring Practice

September 01, 2020

Hires Expand Offerings in Chicago and Add Depth to the firm’s Corporate Bankruptcy Practice

Events & Seminars

Past Events


  • Chicago-Kent College of Law, J.D., with honors, 2001
  • University of Iowa, B.B.A., 1997

Awards & Honors

"Illinois Leading Lawyer" by the Law Bulletin Publishing Company (2018)
"Rising Star" by Law & Politics Magazine
  • Illinois
  • U.S. Court of Appeals for the Seventh Circuit
  • U.S. District Court -- Central District of Illinois
  • U.S. District Court -- Eastern District of Michigan
  • U.S. District Court -- Northern District of Illinois

American Bankruptcy Institute, Young and New Members Committee, past co-chair