With the State of Illinois moving into Phase 4 on Friday, June 26, 2020, the Village reopening will move to the second stage of our reopening plan effective June 29, 2020.

The second stage will include:

  • All employees and visitors will be required to wear masks when entering any Village owned building and observe social distancing whenever possible.
  • Public meetings and social events are limited to the lesser of 50 guests or 50% of overall room capacity.
  • Masks are required and social distancing is observed whenever possible.  This includes Board of Trustee meetings and all other public meetings.
  • All Departments of Village Hall will be open, including the second floor and basement.




Fire Chief

Press Enter to show all options, press Tab go to next option

Mike Mavrogeorge


Zackary Riddle, MPA, CFO

Oak Lawn EMS Fire Rescue Department

Acting Fire Chief




Zackary Riddle proudly serves as the Acting Fire Chief of the Oak Lawn EMS Fire Rescue Department in Oak Lawn, Illinois.  Zack has proudly served the Illinois Fire Service for over 25 years. He has served in every rank beginning as a Paid-on-Call Firefighter in the East Peoria Fire Department.  Chief Riddle started his professional fire service career in the Chicago Metropolitan area working for the Pleasantview Fire Protection District and the Bloomingdale Fire Protection District. 


As an instructor both locally and nationally, Acting Fire Chief Riddle has contributed as a fire service leadership instructor for fire academies, departments and districts. He believes that leaders can be made in all service areas of fire suppression, rescue, special operations and emergency medical service through leadership development, training and education.  Zack is the President and Director of the Illinois Society of Fire Service Instructors and just completed course work for the Illinois Fire Chiefs Association - Chief Fire Officer program.


Lieutenant Colonel Riddle is serving our nation as an officer in the United States Army Reserve for over 30 years.  He currently serves on the Commanding General’s Staff of the 81st Division (Readiness), Fort Jackson, South Carolina. His previous assignments include: Executive Officer of the 303rd Maneuver Enhancement Brigade (MEB), Director Individual Training – 9th Mission Support Command, Deputy Director Operations/ Training (ILNG), and the Assistant Professor of Military Science at Northern IL University where he instructed, mentored and developed soldiers as they trained to become U.S. Army Officers. He served 2 combat tours as a Headquarters Company Commander during Operation Iraqi Freedom.  


Zack has a Master of Public Administration degree from Governors State University, United States Army Command and General Staff College graduate and a Bachelor of Science with honors from the University of Iowa.