GISP Registry

SEARCH for Individuals with GISP®

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

GISP Registry (as of March 6, 2026) Excel Spreadsheet here.
GISP-E Registry (as of March 6, 2026) 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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Susan O'Neill

Systems Analyst
Expired

Cert Number: 62033
Expiration: 02/25/2014 00:00:00
Zip: 23456

Robert Oblinsky

GIS Manager
Expired

Cert Number: 16059
Expiration: 07/25/2011
Zip: 23434

Lisa Ojanen

Product Engineer
Expired

Cert Number: 91167
Expiration: 06/25/2020 00:00:00
Zip: 12345

Richard Olivieri

GeoBase Research & Development Manager
Expired

Cert Number: 61653
Expiration: 02/25/2014 00:00:00
Zip: 23451

Ruth Olson

GIS Specialist III
Expired

Cert Number: 53710
Expiration: 06/25/2018 00:00:00
Zip: 22304

Tammie Organski

Sr GIS Analyst
Expired

Cert Number: 60646
Expiration: 12/05/2018 00:00:00
Zip: 23662

Rita Packard

Data Scientist
Expired

Cert Number: 91633
Expiration: 06/25/2023 00:00:00
Zip: 22305

R. David Palmer

GIS Systems Analyst I
Expired

Cert Number: 61138
Expiration: 12/25/2013 00:00:00
Zip: 23456

Mark Parthum

GIS Program Manager
Expired

Cert Number: 38723
Expiration: 02/25/2014 00:00:00
Zip: 22206

Mark Passaro

GIS Technician III
Expired

Cert Number: 38327
Expiration: 12/25/2013 00:00:00
Zip: 23452

Jonathan Patno

Site Lead (GIS Manager)
Expired

Cert Number: 91399
Expiration: 08/26/2018 00:00:00
Zip: 22151

Veronique Payan

Senior GIS Analyst
Expired

Cert Number: 59768
Expiration: 07/25/2013
Zip: 20190

Douglas Pickering

Senior Manager
Expired

Cert Number: 99204
Expiration: 06/25/2020 00:00:00
Zip: 22046

Bryan Piersol

Database Analyst
Expired

Cert Number: 54877
Expiration: 05/25/2016 00:00:00
Zip: 22182

Douglas Pillsbury

GIS Engineer
Expired

Cert Number: 90500
Expiration: 03/25/2020 00:00:00
Zip: 23435

Deanna Poates

GIS Technician
Expired

Cert Number: 61832
Expiration: 02/25/2014 00:00:00
Zip: 22553

Kathryn Prescott

GIS Division Chief
Expired

Cert Number: 24539
Expiration: 02/25/2014 00:00:00
Zip: 22192

Erich Purpur

GIS Librarian
Expired

Cert Number: 90543
Expiration: 03/25/2023 00:00:00
Zip: 22903

Jeffrey Puuri

GIS Solution Provider
Expired

Cert Number: 91772
Expiration: 07/25/2025 00:00:00
Zip: 24060

Young Pyo

Senior GIS Engineer
Expired

Cert Number: 49864
Expiration: 01/25/2010
Zip: 22202

Burton Rampton

GIS Consultant
Expired

Cert Number: 52301
Expiration: 04/25/2018 00:00:00
Zip: 22153

Amy Ramsdell

Program Manager
Expired

Cert Number: 67365
Expiration: 05/25/2025 00:00:00
Zip: 22554

Paul Reisner

Geospatial Consultant
Expired

Cert Number: 17717
Expiration: 09/25/2017 00:00:00
Zip: 22102-3838

Katherine Renken

Postdoctoral Fellow
Expired

Cert Number: 99315
Expiration: 12/25/2023 00:00:00
Zip: 22015

Maurice Rioux

GIS Manager
Expired

Cert Number: 17932
Expiration: 07/25/2013
Zip: 22030

William Robertson

Associate Director - Geospatial Information Division
Expired

Cert Number: 90832
Expiration: 06/25/2020 00:00:00
Zip: 22307

Anthony Rohrer

GIS Analyst
Expired

Cert Number: 90145
Expiration: 11/25/2019 00:00:00
Zip: 22124

Denis Roose

President
Expired

Cert Number: 90204
Expiration: 12/25/2022 00:00:00
Zip: 23059

Timothy Rosner

Geospatial Computing, Senior
Expired

Cert Number: 13060
Expiration: 09/25/2019 00:00:00
Zip: 22201

William Ryder

Physical Scientist
Expired

Cert Number: 48099
Expiration: 08/25/2009
Zip: 22315

Jay Sadhu

Manager
Expired

Cert Number: 66399
Expiration: 01/25/2016 00:00:00
Zip: 22102

Azher Salikuddin

Project Information Manager
Expired

Cert Number: 99274
Expiration: 12/25/2023 00:00:00
Zip: 20191

Melanie Salyer

Geographic Information Science Officer
Expired

Cert Number: 38204
Expiration: 07/25/2009
Zip: 24293

Daniel Sandhaus

GIS Project Manager
Expired

Cert Number: 76600
Expiration: 06/25/2022 00:00:00
Zip: 22015

Paul Schirle

Enterprise Architect
Expired

Cert Number: 61921
Expiration: 02/25/2019 00:00:00
Zip: 23455

Stephen Sedlock

Executive Director
Expired

Cert Number: 19060
Expiration: 07/25/2021 00:00:00
Zip: 23227

Gerhard Sehnalek

Director of Technical Services
Expired

Cert Number: 19076
Expiration: 02/25/2017 00:00:00
Zip: 20166

Melanie Seigler

GIS Applications Manager
Expired

Cert Number: 54258
Expiration: 03/25/2011
Zip: 23219

Charlene Sevier

Information Technology Manager
Expired

Cert Number: 23570
Expiration: 12/25/2013 00:00:00
Zip: 23606

Peter Sforza

Director and Research Scientist
Expired

Cert Number: 99223
Expiration: 08/25/2020 00:00:00
Zip: 24060

Diwakar Sharma

Sr. Consultant
Expired

Cert Number: 67471
Expiration: 05/25/2022 00:00:00
Zip: 22151

Douglas Sheldon

Geospatial Analyst
Expired

Cert Number: 59405
Expiration: 07/25/2021 00:00:00
Zip: 22554

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Total Results: 257