Chief Administrative Officer

Phone Number
(312) 603-3055

The Office of the Chief Administrative Officer (CAO) assists and supports Bureau of Administration (BOA) departments with functions related to policy, personnel, procurement, budget and technology.

The Office of the CAO also administers Countywide activities. Sections under the CAO include:

  • Child Support Compliance Enforcement
  • Communications
  • Fleet Management
  • Printing and Graphic Services
  • Records Management
  • Research, Operations and Innovation (ROI)
  • Veterans Affairs

Press and Media Inquiries:

Natalia Derevyanny
natalia.derevyanny@cookcountyil.gov

Brittany Hill
brittany.hill@cookcountyil.gov

Location Title
Main Office
Location Address

118 N. Clark St. Room 801, Chicago, IL 60602

Location Phone
(312) 603-3055
Location Fax
(312) 603-4479
Location Hours
Sunday: Closed
Monday: 8:30 am-4:30 pm
Tuesday: 8:30 am-4:30 pm
Wednesday: 8:30 am-4:30 pm
Thursday: 8:30 am-4:30 pm
Friday: 8:30 am-4:30 pm
Saturday: Closed

Agency Head

Zahra Ali, Chief Administrative Officer

Transparency