Wheaton, Illinois


Phone (630)653-5775
Fax (630) 653-5980

Adrian J. Jonak joined Langhenry, Gillen, Lundquist & Johnson, LLC in 2018 as an associate attorney and works in the Wheaton office. Prior to joining the firm, he was an associate attorney at a law firm specializing in employment law where he litigated cases involving wage disputes, harassment, discrimination, and retaliation.

Mr. Jonak received his law degree from Chicago-Kent College of Law in 2016. While in law school, he was a member of the Corporate Law Society and an associate editor of the Chicago-Kent Journal of Intellectual Property. He also received the CALI Excellence for the Future Award for the highest grade in Negotiations. Also during law school, he clerked for a general litigation law firm where he gained experience dealing with matters involving breach of contract, fraud and misrepresentation, and debtor/creditor disputes. Mr. Jonak received his B.A. in Political Science from Dominican University in River Forest, Illinois. He was born in Krakow, Poland and is fluent in Polish.

Mr. Jonak is licensed to practice in Illinois and before the U.S. District Court for the Northern District of Illinois.

Bar Admissions:

Illinois, 2016

U.S. District Court for the Northern District of Illinois, 2017


Chicago-Kent College of Law, Juris Doctor, 2016

Dominican University, Bachelor of Arts, 2013

Major: Political Science