City Staff

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The City of Crystal Lake operates under a Council/Manager form of government. Under this plan, the administrative responsibility of the City is centralized in an appointed professional manager. The Mayor and City Council are responsible for creating city laws and setting the policy direction of the local government. Once the Mayor and City Council create a policy or approve some course of action for the City, the City Manager is responsible for executing or putting the policy in motion.

The City Manager is also responsible for preparing the City’s budget and presenting it to the elected officials for their approval, overseeing all city departments, preparing the City Council agendas, and providing the information support to the elected officials.

Most City departments and services are located within the City of Crystal Lake Municipal Complex, found at the intersection of Woodstock Street and Dole Avenue. The office hours are 8:00 AM to 5:00 PM, Monday through Friday.

Mawdsley, JeffreyAdministrative AnalystCommunity Development(815) 356-3605
Doruff, SharonAdministrative AssistantCommunity Development(815) 459-2020
Olszak, LindaAdministrative AssistantFire(815) 356-3700 ext. 4158
Fritzmann, LorraineAdministrative AssistantCMO(815) 459-2020
Calin, LindseyAdministrative AssistantFire(815) 356-3640
Herrig, LauraAssistant Director of FinanceFinance(815) 459-2020
Nebel, MelanieAssistant to the City ManagerCMO(815) 459-2020
Larsen, JeromeBattalion Chief of Black ShiftFire(815) 356-3700 ext. 4147
Kopera, ChrisBattalion Chief of Gold ShiftFire(815) 356-3700 ext. 4058
Whyte, WilliamBattalion Chief of Red ShiftFire(815) 356-3700 ext. 4208
Magnussen, MichaelBuilding CommissionerBuilding(815) 356-3605
Kohley, RobertBureau Chief of Fire PreventionFire(815) 356-3700 ext. 4203
Kaiser, Rick Bureau Chief of TrainingFire(815) 356-3700 ext. 4274
Black, JamesChief of PolicePolice(815) 356-3633
Wilgreen, AbigailCity EngineerEngineering(815) 356-3605
Mayerhofer, GaryCity ManagerCMO(815) 459-2020
Carruthers, Steven Civil EngineerEngineering(815) 356-3605
Stonikas, Mark Civil EngineerEngineering(815) 356-3605
Rentzsch, MichelleCommunity Development DirectorCommunity Development(815) 459-2020
Kotlowski, ThomasDeputy Chief of AdministrationPolice(815) 356-3730
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