William F. O'Brien
wobrien@hennessyroach.com

• Bachelor at Eastern Illinois University, 2001
• Juris Doctorate, 2005, Thomas M. Cooley Law School
• Admitted to Practice: Illinois Supreme Court, 2006; US District Court, Northern District of Illinois, 2006

Professional Affiliations

Chicago Bar Association
Illinois Bar Association
American Bar Association

Practice Areas

Defense of Workers' Compensation claims in Illinois