Marc A. Kranz

Marc A. Kranz is a criminal defense attorney serving clients in McHenry and Lake Counties, where he has spent his life and developed deep connections to the local communities. A lifelong Illinois resident, US Army veteran, and former prosecutor, he brings experience from several sides of the criminal justice system. His practice includes DUI cases, misdemeanor and petty traffic matters, domestic battery allegations, and other criminal charges. He focuses on understanding each case thoroughly, protecting constitutional rights, and preparing clients for every stage of the legal process.

Marc earned his J.D. from Northern Illinois University College of Law, graduating cum laude. He previously earned a B.A. in Sociology with a criminal justice minor from the University of Illinois Urbana-Champaign, where he graduated with high honors. During law school, he interned with the DeKalb County State’s Attorney’s Office and completed a clerkship with the 23rd Judicial Circuit. These experiences provided early exposure to prosecution, judicial research, courtroom procedure, and the practical operation of Illinois courts.

Marc spent more than 12 years in the US Army, beginning as a Military Police officer before advancing to Military Police Customs Investigator and Military Police Investigator. After law school, he served as an Assistant State’s Attorney with the McHenry County State’s Attorney’s Office, gaining firsthand experience evaluating evidence and prosecuting criminal cases. He later worked as an Associate Attorney with the US Department of Veterans Affairs, analyzing veterans’ disability appeals and assisting in drafting legal decisions for a Veterans Law Judge.

Marc A. Kranz is licensed to practice law in Illinois and belongs to the Illinois State Bar Association and McHenry County Bar Association. His experience as a military investigator, prosecutor, government attorney, and criminal defense lawyer gives him a detailed understanding of investigations, evidence, and case preparation. His familiarity with McHenry and Lake Counties further informs his representation of local clients. He approaches criminal matters with careful analysis, direct communication, and focused advocacy designed to identify weaknesses in the State’s case and protect each client’s rights.

After his active duty service, Marc earned his Bachelor of Arts in Sociology, with a criminal justice minor, from the University of Illinois Urbana-Champaign. He graduated with high honors. Then, he went on to earn his law degree from Northern Illinois University College of Law, where he graduated cum laude.

While in law school, Marc interned with the DeKalb County State’s Attorney’s Office and established a clerkship with the 23rd Judicial Circuit, where he supported the judiciary with legal research. By the time he received his law license, he already had meaningful exposure to how Illinois courts work in practice.

Marc is licensed to practice law in Illinois and holds active memberships in the McHenry County Bar Association and the Illinois State Bar Association.

Law Office Affiliations

• Attorney, Donahue & Kililis, PC
• Member, Illinois State Bar Association
• Member, McHenry County Bar Association

Licensed State

• Illinois

Education

• Northern Illinois University College of Law
  Law degree
• University of Illinois Urbana-Champaign
  Bachelor of Arts (BA) in Sociology, with a Criminal Justice Minor

Awards & Badges