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: california
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GISP-E
GISP-EActive
GISP
GISPActiveDeceasedExpiredGISP-RRevoked

David Toney

Geographer
Expired

Cert Number: 53009
Expiration: 11/25/2019 00:00:00
Zip: 92028

Riley Topolewski

Sr. Planner
GISP Approved
Active

Cert Number: 54241
Expiration: 04/25/2028
Zip: 95501

Holly Torpey

Senior GIS Specialist/Programmer
GISP Approved
Active

Cert Number: 160628
Expiration: 07/25/2025
Zip: 90804

Sarah Troedson

GIS Manager
GISP Approved
Active

Cert Number: 58500
Expiration: 09/25/2027
Zip: 91367

Michael Tschudi

Web Application Programmer
Expired

Cert Number: 65288
Expiration: 05/25/2020 00:00:00
Zip: 92373

Sophia Tseng

GIS Analyst/Environmental Health Specialist
Expired

Cert Number: 56780
Expiration: 04/25/2020 00:00:00
Zip: 91108

Katherine Tunstall

Analyst
Expired

Cert Number: 90697
Expiration: 05/25/2020 00:00:00
Zip: 94105

Mark Turgeon

Geographer / GIS Analyst
GISP Approved
Active

Cert Number: 91267
Expiration: 06/25/2026
Zip: 90039

Philip Tworek

GIS/GPS Analyst
Expired


Zip: 96310

Devin Underwood

GIS Analyst
GISP Approved
Active

Cert Number: 162061
Expiration: 01/25/2028 00:00:00
Zip: 92562
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Total Results: 789

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