SEARCH for Individuals with GISP®

Check the status of your GISP or any of the GISPs in our registry.

GISP Registry (as of May 3, 2025) Excel Spreadsheet here.

We strive to keep the information accurate and updated.    Please report errors to:  info@gisci.org

A GISP search (active / inactive)  in real time from the database is available here (For best results use the state abbreviation):

Enter information into the table listing below the map to search for a GISP

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  2. Region: illinois
  3. GISP: Active
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Jeff Siegel

Vice President
GISP Approved
Active

Cert Number: 24309
Expiration: 02/25/2028
Zip: 60606

Delbert Skimerhorn

Director of Planning & GIS
GISP Approved
Active

Cert Number: 60866
Expiration: 11/25/2027
Zip: 60901

Steven Spradling

GIS Analyst
GISP Approved
Active

Cert Number: 161728
Expiration: 12/25/2026 00:00:00
Zip: 60134

Conrad Stanley

GIS Server Specialist
GISP Approved
Active

Cert Number: 60840
Expiration: 11/25/2027
Zip: 60474

Ian Stearns

GIS Analist
GISP Approved
Active

Cert Number: 161966
Expiration: 09/25/2027 00:00:00
Zip: 61615

Erin Strickler

Director of Services
GISP Approved
Active

Cert Number: 161318
Expiration: 07/25/2025 00:00:00
Zip: 61571

Sarah Stromberg

DBA
GISP Approved
Active

Cert Number: 90166
Expiration: 12/25/2028
Zip: 61101

Jason Sweet

Federal Market Engineer, Ecological Services Line Leader
GISP Approved
Active

Cert Number: 67368
Expiration: 05/25/2028
Zip: 62002

Joseph Tauer

GIS Specialist
GISP Approved
Active

Cert Number: 56078
Expiration: 12/25/2025
Zip: 60439

Troy Thielen

GIS Specialist
GISP Approved
Active

Cert Number: 58705
Expiration: 05/25/2026
Zip: 60631
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Total Results: 139

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