The Kozar Law Office Team

The one-on-one relationships with our clients are truly important for every member of our firm.
We invite you to get to know each of us better by reading our profiles

Attorney Jack Kozar



Jack Kozar received his law degree from the John Marshall Law School in Chicago. While in law school he participated in Honors Moot Court and Mediation Competitions as well as working for the Honorable Judge Alexander White in the Law Division at the Daley Center.

Jack has a general law practice, handling both civil and criminal cases with a focus on family law, real estate, estate planning and probate, business and commercial law, personal injury, and homeowner’s association.

In addition to a successful law practice, Jack teaches as an Adjunct professor for Lewis University. In his free-time he enjoys sailing in beautiful Lake Geneva, Wisconsin.

Jack is licensed to practice law in Illinois and Wisconsin and admitted to the Bar in Northern District of Illinois within the United States District Court.

Attorney Jay Kostecki



Jay attended Marquette University in Milwaukee where he received a Bachelor’s of Arts Degree in Criminology & Law Studies. He graduated The John Marshall Law School in Chicago, and is admitted to practice law in Illinois.

Jay focuses on foreclosure defense, landlord-tenant disputes, and breach of contract actions.

In his free time, Jay enjoys reading, watching movies and sports, and cooking.

Attorney Justin Shiensky



Justin received his law degree from Chicago-Kent College of Law. He double-majored and earned a Bachelor's of Arts in Political Science and a Bachelor's of Science in Psychology from the University of Illinois at Urbana-Champaign.

Justin is admitted to practice law in the State of Illinois and the Northern District of Illinois within the United States District Court. He is a member of the Illinois Bar Association and Chicago Bar Association. He is also a Commissioner on the Village of Villa Park's Environmental Concerns Commission. As an animal welfare advocate, Justin has previously served as both Chair and Vice-Chair of the Chicago Bar Association's Animal Law Committee.

Justin's areas of focus include condominium and homeowners association disputes, landlord/ tenant disputes, real estate, business law and intellectual property, commercial litigation, family law, foreclosure defense, and general tort and contract actions. Prior to joining Kozar Law Office, Justin concentrated on commercial litigation, intellectual property, and general contractual disputes. In his free time, Justin enjoys taking road trips, riding his motorcycle, running, attending concerts, visiting New Orleans as often as possible, and spending weekends in Lake Geneva, Wisconsin.

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Don't hesitate to contact us. We have helped many people in similar situations. We hope to hear from you soon and look forward to the opportunity to be of service to you.


Fax: 1-630-834-2393

Our Office is conveniently located right across from the Metra station at 105 S Adell Place, Elmhurst, IL 60126

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