Our Values

To fulfill our mission to both communities and first responders, the Addison Consolidated Dispatch Center adopts these values:

  • To express compassion by treating everyone with courtesy, empathy, impartiality, and respect

  • To demonstrate dependability by gathering and providing accurate information in an efficient and confidential manner

  • To foster integrity by always being ethical and honest

  • To exhibit professionalism by being loyal and taking the responsibility for working as a team

Management Team

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Kevin Dempsey
Addison Police Department Commander

Commander Dempsey began his law enforcement career with the Addison Police Department (IL) in 2003 working as a patrolman. He was assigned to the investigations section in 2006 as a detective. In 2013, he was promoted to the rank of sergeant and returned to the patrol division, responsible for a team of day-shift patrol officers, fleet maintenance, and served as a field training supervisor. He previously supervised the department’s evidence technicians.

Commander Dempsey was promoted to his current rank on June 15, 2020, and served as the watch commander for the night shift, traffic unit, and community service officers until December 2021, when he was assigned to the Addison Consolidated Dispatch Center (ACDC).

Commander Dempsey is a trained evidence technician, juvenile officer, field training supervisor, and certified truck enforcement officer. He previously served as the department's asset forfeiture coordinator and was formerly a member of the DuPage County major crimes task force. 

Commander Dempsey received a bachelor's degree in accounting from Elmhurst College prior to his police career. He is a graduate of Northwestern University’s School of Police Staff and Command, and also a graduate of the Police Mid-Management Role in the 21st Century program conducted by the Illinois Law Enforcement Training and Standards Board Executive Institute.

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Bill Srejma
Director of Communications

Director Srejma began his public safety career in 1988 at the Countryside Police Department (IL). In 1991, he accepted a telecommunicator position at Pleasantview Fire Protection District (IL), working there nearly twenty-five (25) years, his final promotion to Communications Director in 2011.

On Sept 26, 2016 Bill was hired by ACDC as Deputy Director of Fire/EMS, responsible for building fire/EMS communications operations & training. He achieved a Bachelor of Arts in Management from Illinois Benedictine University. Bill was promoted to Director of Communications in 2022.

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Sherianne Hermes

Professional Standards Coordinator

Professional Standards Coordinator Hermes was hired as a telecommunicator at the Addison Police Department (IL) in 2008. Sherianne became a Communications Training Officer in 2012, and in 2015 became the Midnight Shift Team Lead.

Sherianne helped design and currently instructs the ACDC classroom training for new hires. In 2017, she was promoted to her current position as the CALEA accreditation manager, training coordinator, and community outreach and education initiatives. She also designed and manages the ACDC website and social media for the agency.

Sherianne earned her Master of Arts Degree in Mass Communication from South Dakota State University and Bachelor of Arts Degree in Communications from Elmhurst College.

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Marilu Hernandez
Deputy Director of Communications

 Deputy Director Hernandez began her public safety career in 1998 as a telecommunicator at the Addison Police Department (IL).

In 2012, the Addison Police Department dispatch center consolidated to become ACDC, and Marilu accepted the position of Day Shift Team Lead. In 2017 she was promoted to Operations Manager, and promoted again in 2022 to Deputy Director of Communications.

Marilu conveys her goal is to "always do my best, give 100%," and considers dispatchers, "the heroes behind the scenes." 

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Keith Marc

Public Safety Systems Administrator

Public Safety Systems Administrator Keith Marc was hired by the Village of Addison (IL) in 2017. Keith’s position is dedicated information technology support for the Village of Addison, Motorola Radio and AT&T systems at ACDC, and as an integral component of DuPage County emergency services infrastructure. He was part of the construction and build-out process for the ACDC facility, and is permanently assigned to ACDC to provide ongoing and immediate support.

 

Keith has over twenty-five (25) years in the telecommunications industry wearing many hats of the industry. He holds two Associates degrees from Moraine Valley Community College and a plethora of certifications from a variety of affiliates. Keith believes being at ACDC is “the ideal challenge; to work with technologies ACDC uses to dispatch emergency services for our neighboring agencies, both Fire and Police.”

Keith explains, “This was a great opportunity to take my career to the next level. I am met with challenges every day and work with various technology groups to ensure that our systems are up 24 / 7 / 365 without interruption. Knowing our dispatchers have the best resources available makes me proud to be a part of this integral service to the community.”