Our Attorneys

James M. Byrnes



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University of Illinois College of Law, Champaign, Illinois (J.D., 1987)

University of Notre Dame, Notre Dame, Indiana (B.A., 1984)

Admitted To Practice:

Supreme Court of Illinois, 1987
U.S. District Court, Northern District of Illinois, 1987


Partner, Ganan & Shapiro, P.C., Chicago, Illinois, 2014

Associate, Ganan & Shapiro, P.C., Chicago, Illinois, 2002-2013

Associate, Freeborn & Peters, Chicago, Illinois, 1997-2002
Associate, Law Offices of Patricia M. Cassiday, Chicago, Illinois, 1992-1997
Staff Attorney, Illinois Industrial Commission, Chicago, Illinois, 1990-1992
Associate, Law Offices of Michael T. Hannafan, Chicago, Illinois, 1987-1990

Professional Affiliation:

Workers’ Compensation Lawyers Association
Illinois State Bar Association
Outcast Jazz Band, LLC

Guest Lecturer:

Annual Ganan & Shapiro Seminars

NHRMA Mutual Regional Training Seminars

Illinois Public Risk Fund Seminars

General Casualty Adjusters Seminars

Cambridge Integrated Services Seminar


“Twice Over Clean - A Respondent’s Perspective,” Workers’ Compensation Law, ISBA Newsletter, June 2005

“New Carpeting Trips Up The Defense,” Workers’ Compensation Law, ISBA Newsletter, June 2005

"Appellate Court Upholds Dismissal of Marque Medicos Class Action Suit," Workers' Compensation Law, ISBA Newsletter, September 2017 

"Illinois Supreme Court Clarifies 'Arising out of' Analysis in McAllister v. Illinois Workers' Compensation Commission,"
National Council of Self Insurers Scoop Newsletter
Q2 2021

James M. Byrnes

James M. Byrnes is a Partner in Ganan & Shapiro’s Chicago office. Mr. Byrnes represents businesses at arbitration, before the Illinois Workers’ Compensation Commission, Circuit and Appellate Courts.  Mr. Byrnes is currently assigned to the Wheaton, New Lenox and Chicago, Illinois status calls.

Mr. Byrnes coordinates the firm’s in-house continuing legal education program, and has served as a guest lecturer for various seminars and training sessions. He is a member of the Workers’ Compensation Lawyers Association and the Illinois State Bar Association.  Mr. Byrnes is also an accomplished saxophonist in the “Outcast Jazz Band.”

Mr. Byrnes earned his J.D., from the University of Illinois, Champaign in 1987.  He received his bachelor’s degree from the University of Notre Dame in 1984.  Prior to joining the Ganan & Shapiro team, Mr. Byrnes worked in private practice, as well as a staff attorney for the Illinois Industrial Commission.