Cook County Employee Directory

Government AdministrationUnited States1001-5000 Employees

Toni Preckwinkle is the 35th president of the Cook County Board of Commissioners, an office she has held since 2010. A dedicated and effective public servant, President Preckwinkle has worked tirelessly and collaboratively to reshape County government through increased fiscal responsibility, transparency and improved services.
As the top executive in Cook County, President Preckwinkle oversees one of the nation’s largest public health and hospitals systems and one of the nation’s largest criminal justice systems. President Preckwinkle is a lifelong advocate for equity and equality, and through her work as president, has fought to improve health care access, bring increased fairness to the criminal justice system and expand employment training opportunities for some of the County’s most disadvantaged youth.
Leveraging more than 30 years of political experience and leadership, President Preckwinkle has restored credibility to County government, solving for more than $2.1 billion in budget deficits, cutting $851 million in expenditures and passing balanced budgets each year of her tenure.
Through the President’s leadership, Cook County used the Affordable Care Act to create CountyCare, a managed care program for Medicaid-eligible residents which now has about 330,000 members.
President Preckwinkle is a nationally recognized leader in the drive to reduce unnecessary and costly detention of non-violent offenders in the criminal justice system. The pretrial population at the Cook County Jail has been reduced by more than 30 percent since she took office in 2010 and in 2017, the MacArthur Foundation awarded Cook County one of its highly competitive Safety and Justice grants in recognition of the County’s progress in criminal justice reform and to support its continued efforts. 
At the same time President Preckwinkle has successfully fought for juvenile justice reform, reducing the number of children tried as adults and the population in the Juvenile Temporary Detention.

Find Cook County employees' phone numbers or email addresses

Cook County Global Highlights

Location
Employees

North America
938

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  • United States Of America
    936
  • Canada
    2

Europe
5

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  • United Kingdom Of Great Britain And Northern Ireland
    2
  • France
    1
  • Poland
    1
  • Netherlands
    1

Asia
4

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  • China
    1
  • Malaysia
    1
  • Bangladesh
    1
  • Indonesia
    1

Africa
1

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  • Nigeria
    1

Cook County's Leadership

  • Stylized image of a person
    D. C.
    Chief Assistant County Attorney
    Phone icon
  • Stylized image of a person
    D. M.
    Chief Criminal Deputy
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  • Stylized image of a person
    S. H.
    Chief Deputy Sheriff
    Phone icon
  • Stylized image of a person
    A. A.
    Chief Deputy Treasurer
    Phone icon
  • Stylized image of a person
    I. S.
    Head Of Residential Property Tax Appeals
    Phone icon
  • Stylized image of a person
    T. Z.
    Juvenile Division Chief
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  • Stylized image of a person
    M. C.
    Director
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  • Stylized image of a person
    K. W.
    Director Of Economic Development
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Cook County Employee Metrics

100%
50%
0%
2026
2025
  • Legal
  • Analytics
  • Administrative
  • Military & Protective Services
  • Engineering
  • Other
  • Program & Project Management
  • Community & Social Services
  • Retail
  • Healthcare Services

Contact profiles from Cook County

Name
Title
Contact Info
Location
Last Update
  • Stylized image of a person
    D. C.
    Chief Assistant County Attorney
    Phone icon
    United StatesFlorida
    Sep 12, 2025
  • Stylized image of a person
    D. M.
    Chief Criminal Deputy
    Phone icon
    United StatesUtah
    Sep 11, 2025
  • Stylized image of a person
    T. Z.
    Juvenile Division Chief
    Phone icon
    United StatesMinnesota
    Sep 11, 2025
  • Stylized image of a person
    S. H.
    Chief Deputy Sheriff
    Phone icon
    United States
    Mar 24, 2026
  • Stylized image of a person
    A. A.
    Chief Deputy Treasurer
    Phone icon
    United StatesColorado
    Feb 17, 2026
  • Stylized image of a person
    I. S.
    Head Of Residential Property Tax Appeals
    Phone icon
    UNITED STATES
    Feb 14, 2025
  • Stylized image of a person
    M. C.
    Director
    Phone icon
    UNITED STATES
    Feb 18, 2026
  • Stylized image of a person
    K. W.
    Director Of Economic Development
    Phone icon
    United StatesGeorgia
    Jul 05, 2025
  • Stylized image of a person
    S. S.
    Office Manager
    Phone icon
    United StatesMinnesota
    Sep 10, 2025
  • Stylized image of a person
    D. R.
    Manager
    Phone icon
    United StatesMontana
    Sep 08, 2025

Frequently Asked Questions

What is Cook County known for?

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Cook County operates in the Government Administration industry. The company's main headquarters is located in United States. Explore Cook County's company overview page for more information.

What is Cook County's most common email format?

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Cook County employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more Cook County email formats with LeadIQ.

How many employees does Cook County have currently?

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Cook County has approximately 2.3K employees as of March 2026. These team members are located across 4 continents, including North AmericaEuropeAsia.

Who are Cook County's key employees and leadership?

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As of March 2026, Cook County's key employees include:

  • Chief Assistant County Attorney: D. C.
  • Chief Criminal Deputy: D. M.
  • Chief Deputy Sheriff: S. H.
  • Chief Deputy Treasurer: A. A.
  • Head Of Residential Property Tax Appeals: I. S.

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