Jonathan R. Ksiazek

Phone: 847.698.9600

Fax: 847.698.9623 or 847.698.9624

Request a Consultation

Jonathan R. Ksiazek is a highly successful trial lawyer who represents employees and employers in cases involving employment disputes. Jonathan represents clients in claims involving discrimination based on disability, race, gender, or age or retaliation for complaining about discrimination. Jonathan has also successfully represented clients who have been terminated because they complained of illegal discrimination, employees whose union breached its duty of fair representation, and public sector employees who have been removed for their position for political reasons.

Jonathan truly enjoys helping his clients, and it is his passion for helping others that brought him to the legal profession. He is a skilled and effective litigator who makes all efforts to obtain the most favorable results for his clients. While Jonathan develops each facet of his clients’ cases with the intent to proceed to trial, his thorough investigation and research allows him to negotiate favorable settlements for his clients at all stages of litigation in both state and federal court. Jonathan has achieved a number of outstanding results for his clients in both settlement and trial. Jonathan has taken over 500 depositions and acted as first or second chair in twenty-five trials during his career. He has also personally briefed and argued two cases before the Seventh Circuit Court of Appeals, and won a separate appeal that he briefed.

Jonathan is a graduate of both the University of Illinois College of Law and Northwestern University. When he attended law school at the University of Illinois, Jonathan was a member of their Civil Rights Clinic. Jonathan also has participated in and coached the mock trial programs at Northwestern University and the University of Illinois.

Jonathan was admitted to practice in the State of Illinois in 2008 and is admitted to the United States District Court for the Northern District of Illinois, the United States District Court for the Central District of Illinois, the United States District Court for the District of Colorado and the United States Court of Appeals for the Seventh Circuit. Jonathan has successfully litigated cases in the Illinois Human Rights Commission, the Circuit Court of Cook County, the Central District of Illinois, the Northern District of Illinois, the Seventh Circuit and numerous other courts across the country.

Jonathan is a member of the Illinois State Bar Association, the Chicago Bar Association, the Chicago chapter of the National Police Accountability Project, and the National Employment Lawyers Association.


Contact Us Today

Phone: 847.698.9600

Fax: 847.698.9623


Di Monte & Lizak, LLC,

216 Higgins Road,

Park Ridge, IL 60068