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The County of DuPage
Wheaton, Illinois

County Board

Emergency Telephone System Board (ETSB)


ETSB Website


Name: Linda Zerwin
Title: Executive Director
Phone: 630-550-7743


County Administration Building
421 N. County Farm Rd
Wheaton, IL 60187


Duties of the Emergency Telephone System Board (ETSB) include planning a 9-1-1 system; coordinating and supervising the implementation and maintenance of the system, including the establishment of equipment specifications and coding systems; receiving moneys for deposit into the Emergency Telephone System Fund; authorizing disbursements from the fund; and hiring any staff necessary for the implementation and upgrade of the system.

Meeting Schedule

Second Wednesday of each month at 9:00 a.m. at the County Administration Building. View agendas and minutes.


3 years

Appointed By

Appointed by the County Board upon nomination of the County Board Chairman. From time to time the County Board Chairman shall designate one of the County Board representatives to serve as Chairman of the ETSB and one of the Mayors and Managers representatives to serve as Vice-Chairman of the ETSB.




Public resident applicants must reside in DuPage County. Other applicants must be representatives of 9-1-1 public safety agencies such as police departments, fire departments, or an emergency services agency. Members may also be elected officials, including members of the County Board pursuant to the Ordinance of the Emergency Telephone System Board.


The ETSB is composed of (12) Board Members. The representatives consist of: (3) Members from the DuPage County Board, one of whom is designated to serve as Chairman of the ETSB; (2) Members from the DuPage Mayors and Managers Conference (DMMC), one of whom is designated to serve as Vice-Chairman of the ETSB; (1) Member representing the DuPage Fire Chief's Association; (1) Member representing the DuPage Chiefs of Police Association; (1) Member representing the DuPage County Sheriff; (1) Member representing DuPage Public Safety Communications (DU-COMM); (1) Member representing the Addison Consolidated Dispatch Center (ACDC); (1) Member representing an Emergency Services agency not otherwise represented on ETSB; and (1) Member representing the public who resides within the ETSB service area.


Chair Greg Schwarze


50 ILCS 750/15.4


NameFirst Date of Appt.Current Term ExpiresPosition
Greg Schwarze 01/12/202112/01/2023Chairman (County Board)
Michael Tillman08/13/201312/01/2022Board Member (Emergency Services)
Grant Eckhoff06/24/201412/01/2024Board Member (County Board)
Joe Maranowicz01/29/201912/01/2022Board Member (DMMC)
David Schar 04/28/202012/01/2023Board Member (Police)
Erik Kramer01/12/202112/01/2023Board Member (Fire)
Mark Franz12/01/201412/01/2023Vice Chairman (DMMC)
Eric Swanson04/13/202112/01/2022Board Member (Sheriff)
David Andalcio01/29/201912/01/2021Board Member (Public)
Brian Tegtmeyer06/26/200712/01/2024Board Member (DU-COMM)
Ashley Selmon11/23/202112/01/2022Board Member (County Board)
Delores Temes02/12/201912/01/2024Board Member (ACDC)
Jean Kaczmarek N/A N/A Secretary Ex-Officio
Gwen Henry N/A N/A Treasurer Ex- Officio

Additional Information

NOTE: Persons listed as serving on an expired term continue in their service unless and until they are either reappointed or replaced unless otherwise indicated. A position listed as “VACANT” is not currently occupied.

Financial Information

Note: This agency is included in the DuPage County Comprehensive Annual Financial Report (CAFR).  

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