Jean Johannes
GIS Analyst
GISP Approved
Active
Cert Number: 26150
Expiration: 06/25/2027
Zip: 60152
Greg Johnson
GIS Support Specialist
GISP Approved
Active
Cert Number: 24129
Expiration: 04/25/2029
Zip: 60030
Jeff Judycki
GIS Support Specialist
GISP Approved
Active
Cert Number: 52630
Expiration: 06/25/2027
Zip: 60516
Matthew Junker
GIS Specialist
GISP Approved
Active
Cert Number: 160620
Expiration: 07/25/2028
Zip: 61548
Michael Kamin
GIS Analyst
GISP Approved
Active
Cert Number: 90318
Expiration: 01/25/2029 00:00:00
Zip: 60510
Shannon Katcher
VP, Digital Innovation
GISP Approved
Active
Cert Number: 64511
Expiration: 02/25/2029
Zip: 60067
George Katsambas
GIS Supervisor
GISP Approved
Active
Cert Number: 31750
Expiration: 03/25/2027
Zip: 60005
James Keane
Lead Geoscientist
GISP Approved
Active
Cert Number: 161478
Expiration: 01/25/2029 00:00:00
Zip: 60614
Constance Kilgore
GIS Technician
GISP Approved
Active
Cert Number: 64913
Expiration: 12/25/2028
Zip: 60448
Cassidy Killian
Senior Project Manager
GISP Approved
Active
Cert Number: 90570
Expiration: 04/25/2029 00:00:00
Zip: 61548
Patrick Korellis
GIS Manager
GISP Approved
Active
Cert Number: 90872
Expiration: 06/25/2026 00:00:00
Zip: 60060
Nicholas Krueger
GIS Analyst
GISP Approved
Active
Cert Number: 29550
Expiration: 04/25/2029
Zip: 60187
Jeffrey Laramy
Sr GIS Analyst/Intern Program Coordinator
GISP Approved
Active
Cert Number: 12466
Expiration: 11/25/2026
Zip: 60048
Marni Law
GIS Specialist
GISP Approved
Active
Cert Number: 91068
Expiration: 06/25/2026
Zip: 61820
Kurt Lebo
Geospatial Solutions Officer
GISP Approved
Active
Cert Number: 39048
Expiration: 02/25/2028
Zip: 60134
Lauren Lee
GIS Coordinator
GISP Approved
Active
Cert Number: 90503
Expiration: 03/25/2029
Zip: 61270
Joseph Lehnert
Chief Technology Officer (CTO)
GISP Approved
Active
Cert Number: 162282
Expiration: 07/25/2028 00:00:00
Zip: 61736
Wendy Leonard
GIS/Data Analyst
GISP Approved
Active
Cert Number: 161799
Expiration: 02/25/2027 00:00:00
Zip: 60190
William Lincoln
Hydrology Program Leader
GISP Approved
Active
Cert Number: 91745
Expiration: 07/25/2028
Zip: 60516
Andrew Louchios
IT - Geospatial Specialist
GISP Approved
Active
Cert Number: 90096
Expiration: 11/25/2028
Zip: 60074
Brigette Luchtefeld
GIS Supervisor
GISP Approved
Active
Cert Number: 161948
Expiration: 08/25/2027 00:00:00
Zip: 62025
Kyagaba Lwanga
GIS Analyst/Team Lead
GISP Approved
Active
Cert Number: 161801
Expiration: 02/25/2027 00:00:00
Zip: 60532
James Scott Maginity
GIS Specialist
GISP Approved
Active
Cert Number: 161407
Expiration: 12/25/2028 00:00:00
Zip: 60430
Joe Magnotta
Geospatial Software Engineer
GISP Approved
Active
Cert Number: 91231
Expiration: 06/25/2026 00:00:00
Zip: 62791
Carmen Maso
IT Specialist
GISP Approved
Active
Cert Number: 13852
Expiration: 05/25/2027
Zip: 60053
Jenna Mattes
GIS Specialist
GISP Approved
Active
Cert Number: 162595
Expiration: 01/25/2029
Zip: 60156
Kelly McFadden
Fiber Optics Designer
GISP Approved
Active
Cert Number: 161980
Expiration: 11/25/2027 00:00:00
Zip: 60148
Brad McVay
GIS Specialist
GISP Approved
Active
Cert Number: 84860
Expiration: 08/25/2028
Zip: 61820
Ryan Meekma
Sr. GIS Hydrographer
GISP Approved
Active
Cert Number: 22310
Expiration: 01/25/2029
Zip: 61802
John Mellor
ET IV, GIS Specialist
GISP Approved
Active
Cert Number: 91736
Expiration: 06/25/2026
Zip: 62563
Christopher Merino
GIS/Engineering Technician
GISP Approved
Active
Cert Number: 162426
Expiration: 09/25/2028 00:00:00
Zip: 60089
Sarah Milton
GIS Specialist
GISP Approved
Active
Cert Number: 90941
Expiration: 06/25/2026
Zip: 61820
Philip Mitchell
GA
GISP Approved
Active
Cert Number: 91612
Expiration: 06/25/2026
Zip: 62471
Matthew Moy
GIS Consulting Specialist
GISP Approved
Active
Cert Number: 161619
Expiration: 07/25/2026 00:00:00
Zip: 60608
Michael Mullins
Cadastral Analyst
GISP Approved
Active
Cert Number: 64010
Expiration: 12/25/2027
Zip: 60112
Julie Muzzarelli
Geospatial Analyst/Supervisor
GISP Approved
Active
Cert Number: 48760
Expiration: 03/25/2027
Zip: 60439
Gregory Newton
Director of Geospatial Services
GISP Approved
Active
Cert Number: 67922
Expiration: 05/25/2026
Zip: 60061
Thomas Nicoski
Chief of GIS-Technologies
GISP Approved
Active
Cert Number: 25559
Expiration: 09/25/2026
Zip: 60134
Jonathan Oelschlager
GIS Coordinator
GISP Approved
Active
Cert Number: 161133
Expiration: 09/25/2027
Zip: 61104
Kelly Office
President/Sr. GIS Consultant
GISP Approved
Active
Cert Number: 14508
Expiration: 05/25/2026
Zip: 62025
Megan Ouderkirk
Senior GIS Analyst
GISP Approved
Active
Cert Number: 162121
Expiration: 01/25/2028 00:00:00
Zip: 60613
David Peters
GIS Coordinator
GISP Approved
Active
Cert Number: 42530
Expiration: 01/25/2028
Zip: 61348
connie pokorny
Implementation Specialist
GISP Approved
Active
Cert Number: 91383
Expiration: 06/25/2026
Zip: 60041
Jennifer Pramuk
GIS Developer II
GISP Approved
Active
Cert Number: 161593
Expiration: 07/25/2026 00:00:00
Zip: 61244
Hunter Ray
GIS Analyst/Developer
GISP Approved
Active
Cert Number: 161296
Expiration: 07/25/2028
Zip: 61611
Cameron Rex
Owner - Valuation/GIS
GISP Approved
Active
Cert Number: 55541
Expiration: 06/25/2027
Zip: 60062
Thomas Ricker
GIS Manager
GISP Approved
Active
Cert Number: 32730
Expiration: 09/25/2026 00:00:00
Zip: 60585
Kevin Ryan
Utilities GIS Coordinator
GISP Approved
Active
Cert Number: 90320
Expiration: 01/25/2029
Zip: 60137
Veronica Sarver
Systems Inventory Supervisor
GISP Approved
Active
Cert Number: 161723
Expiration: 12/25/2026 00:00:00
Zip: 61021
Peter Schoenfield
GIS Analyst Supervisor
GISP Approved
Active
Cert Number: 18868
Expiration: 10/25/2028
Zip: 60060-1129