Jessica A. O'Brien
as of 6/18/2026 7:05:34 AM
Jessica A. O'Brien
Tressler LLP
233 S. Wacker Drive 61st Floor
Chicago, Illinois 60606-6359
Not available
jobrien@tresslerllp.com
Date Admitted
October 31, 2013
Illinois Registration Status
Active and authorized to practice law
Malpractice Insurance
In annual registration, the attorney reported that the attorney, or the attorney’s firm, maintains malpractice insurance.