Cornelius F. Riordan

Cornelius F. Riordan

Senior Counsel

200 West Madison Street
Suite 2700
Chicago, Illinois 60606

Primary Practices

Cornelius “Con” F. Riordan concentrates his practice in the areas of contractors, sureties and lenders in both litigation and transactional aspects of construction and surety law.  He has tried cases to verdict for contractors and sureties as well as representing them in appeals in both state and federal courts.  He also has extensive transactional experience, including preparation of construction contracts, construction loan agreements as well as documents in default and termination cases, workouts, financing of principals, asset sales and acquisitions. As part of Con’s construction practice, he has participated in mediation and arbitration proceedings.

Professional History

  • Senior Counsel, Hahn Loeser & Parks LLP, 2023-present
  • Of Counsel, Robbins DiMonte, Ltd, 2019 – 2023
  • Partner, Schuyler, Roche & Crisham, 2017-2019
  • Managing Partner, Riordan-McKee, 2008-2017
  • Partner, Riordan-McKee, LLC, 2008-2017


  • University of Illinois, Chicago (John Marshall) College of Law, J.D. 1976
  • DePaul University, M.S., Accounting, 1982, CPA
  • University of Notre Dame, B.A. 1973
Awards & Distinctions

Illinois Super Lawyers®, Construction Litigation, 2008-2024


The Best Lawyers in America®, Construction Law, 2006-2019; Litigation-Construction, 2011-19; Chicago Lawyer of the Year, Litigation-Construction, 2015


Leading Lawyer in Construction Litigation, 2014-2017


Bar Admissions

State of Illinois


U.S. District Court of Northern District of Illinois


U.S. Court of Appeals, Seventh Circuit


U.S. District Court, Northern District of Indiana


U.S. District Court, Eastern and Western Districts of Wisconsin


U.S. District Court, Central District of Illinois


U.S. District Court, Southern District of Illinois


U.S. District Court, District of North Dakota


Memberships & Affiliations

Chicago Bar Association


Illinois State Bar Association


Society of Illinois Construction Attorneys, Past President


American Bar Association’s Fidelity and Surety Law Committee and Forum on Construction Law


  • Construction Lawyers Society of America, Fellow


  • Defense Research Institute


  • National Bond Claims Association