Mr. Hartigan is a member of the following associations:

• Illinois State Bar Association - Member of Board of Governors
• Member - Chicago Bar Association
• Treasurer - West Suburban Bar Association
• Member - John Marshall Alumni Association
• Member - Illinois Appellate Lawyers Association
• Member - Illinois Trial Lawyers Association
• Womens Bar Association
• South Suburban Bar
• Justinian Legal Society
• Hispanic Bar Association
• Board Member - Chicagoland Metropolitan Planning Association
• DePaul University - Professional Advisor
• DePaul University D Club Member

Mr. Hartigan has been elected as the Lyons Township Supervisor, and was a former trustee for the Village of Western Springs.  Also, he acted as a former president of the Lyons Township mental health board.