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About me

Gerald Dietz received his undergraduate degree from the University of Illinois in 1996, and his Juris Doctor from John Marshall Law School in 1999. He was admitted to the Illinois Bar in 1999 and to the Wisconsin Bar in 2000. Mr. Dietz concentrates his practice on municipal law, municipal prosecution, special districts, library and fire districts.  He is also a member of the Chicago Bar Association; Illinois State Bar Association; Lake County Bar Association; and the Wisconsin Bar Association.


Mr. Dietz is a Lieutenant with the Greater Round Lake Fire Protection District and has been serving as a POC Firefighter‑Paramedic since January 1990. Mr. Dietz also serves as the Chairman of the Lake County Community Development Commission.


Mr. Dietz has handled all aspects of litigation. Representing criminal, civil and municipal clients ranging from summary suspension hearings to bench and jury trials.  He has appeared for clients at all levels of the Cook County Court system and throughout northern Illinois and southern Wisconsin.  He serves and has served as a municipal prosecutor for several cities and villages in Lake and McHenry Counties.  Mr. Dietz has written and lectured on various issues concerning fire protection and fire protection districts.  He has taught classes for the Northwest Lake County Fire Training Cooperative, including teaching their EMT's medical, legal, and ethical issues facing an EMT.


Photos and videos

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Practice areas


  1. State & Local Law: 75%
    17 years
  2. Criminal Defense: 25%
    17 years



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Contact info

Law Offices of Gerald T. Dietz

625 W Rollins Rd.
Round Lake Beach, IL, 60073


WIGood Standing200003/24/2015
ILActive And Authorized To Practice Law199908/10/2016
We have not found any instances of professional misconduct for this lawyer.
Avvo contributions
Legal answers
School nameMajorDegreeGraduated
John Marshall Law School, ChicagoN/AJD - Juris Doctor1999