Errol DuFour
Project Manager
GISP Approved
Active
Cert Number: 88130
Expiration: 10/25/2028
Zip: 20707
Jason Durant
GIS Manager
Expired
Cert Number: 91776
Expiration: 07/25/2025 00:00:00
Zip: 20854
Kaushik Dutta
GIS Program Manager
GISP Approved
Active
Cert Number: 54875
Expiration: 05/25/2028
Zip: 21224
Reggie Dyer
GIS Analyst II
Expired
Cert Number: 67861
Expiration: 03/25/2020 00:00:00
Zip: 20745
Thomas Earp
Manager, Innovative Technologies
GISP Approved
Active
Cert Number: 48561
Expiration: 10/25/2027
Zip: 21202
J Kirk Eby
GIS Specialist 3
GISP Approved
Active
Cert Number: 33873
Expiration: 10/25/2026 00:00:00
Zip: 20877
Elan Echevarria
Land Surveyor / Cartographer
GISP Approved
Active
Cert Number: 67719
Expiration: 01/25/2029
Zip: 21704
Jeffrey Edgin
GIS Manager
Expired
Cert Number: 50989
Expiration: 10/25/2011
Zip: 20650
George Edmonds
GIS Analyst
GISP Approved
Active
Cert Number: 18630
Expiration: 10/25/2028
Zip: 21638
Philip Eling
Geospatial Intelligence Analyst
Expired
Cert Number: 61716
Expiration: 04/25/2014 00:00:00
Zip: 20901
Owhologbo Emekene
Geographer
Expired
Cert Number: 90881
Expiration: 06/25/2020 00:00:00
Zip: 20710
Gretchen Esbensen
Senior Consultant
GISP Approved
Active
Cert Number: 162002
Expiration: 01/25/2028 00:00:00
Zip: 21403
Bill Fearrington
GIS Program Manager
GISP Approved
Active
Cert Number: 84870
Expiration: 08/25/2028
Zip: 21050
Matthew Felton
President & Founder
GISP Approved
Active
Cert Number: 51940
Expiration: 04/25/2027 00:00:00
Zip: 21014
Eric Finnen
Senior Developer
Expired
Cert Number: 62151
Expiration: 02/25/2014 00:00:00
Zip: 21704
David Firman
Senior GIS and Remote Sensing Engineer
GISP Approved
Active
Cert Number: 68012
Expiration: 06/25/2026
Zip: 21701
Julia Fischer
Sr GIS Analyst
Expired
Cert Number: 61370
Expiration: 10/25/2018
Zip: 21044
Andrew Fitch
GIS Team Technical Lead
GISP Approved
Active
Cert Number: 99196
Expiration: 06/25/2026
Zip: 21228
Matthew Folley
Director, Enterprise GIS and Public Health Services IT
Expired
Cert Number: 18710
Expiration: 11/25/2025
Zip: 21201
Timothy Foresman
Senior Associate
Expired
Cert Number: 7509
Expiration: 02/25/2014 00:00:00
Zip: 21152-9202
Kathryn Forsythe-Majchrzak
Senior GIS Analyst
GISP Approved
Active
Cert Number: 61448
Expiration: 01/25/2028 00:00:00
Zip: 21013
Alan Foster
Sr Geospatial Analyst, IV
GISP Approved
Active
Cert Number: 160985
Expiration: 03/25/2027
Zip: 21704
Leo Fothergill
GIS Specialist
GISP Approved
Active
Cert Number: 63543
Expiration: 08/25/2028
Zip: 21202
Nicholas Fox
Head of Analysis
Expired
Cert Number: 160777
Expiration: 02/25/2026
Zip: 21601
Theresa Foye
GIS Project Manager
GISP Approved
Active
Cert Number: 91227
Expiration: 06/25/2026 00:00:00
Zip: 21122
Christopher Fricke
Geospatial Developer
Expired
Cert Number: 91313
Expiration: 06/25/2020 00:00:00
Zip: 22314
Stephen Gabbert
GIS Program Manager
Expired
Cert Number: 47065
Expiration: 05/25/2014 00:00:00
Zip: 21204
Megan Gall
Principal
GISP Approved
Active
Cert Number: 88000
Expiration: 10/25/2028
Zip: 20910
Joseph Gann
GIS Specialist
GISP Approved
Active
Cert Number: 160553
Expiration: 12/25/2027
Zip: 21221
Feng Gao
President
GISP Approved
Active
Cert Number: 58304
Expiration: 01/25/2027
Zip: 20854
Daniel Gardner
Chief Information Officer
Expired
Cert Number: 61125
Expiration: 12/25/2018 00:00:00
Zip: 20872
Sharad Garg
Senior GIS Solutions Architect
Expired
Cert Number: 61739
Expiration: 02/25/2014 00:00:00
Zip: 21237
Heidemarie Gauss
Project Manager
GISP Approved
Active
Cert Number: 160651
Expiration: 07/25/2028
Zip: 21044
Chad Gibson
GIS Coordinator
Expired
Cert Number: 33220
Expiration: 10/25/2011
Zip: 21014
Susan Gidley
Sr. GIS Manager
GISP Approved
Active
Cert Number: 160652
Expiration: 07/25/2028
Zip: 20785
David Gillum
GIS Systems Analyst
Expired
Cert Number: 36539
Expiration: 08/25/2022 00:00:00
Zip: 21401
Joel Gladfelter
Lead Engineer / GIS Manager (P.E., GISP)
GISP Approved
Active
Cert Number: 67653
Expiration: 11/25/2028
Zip: 21102
Luciano Gomes
Project Manager
GISP Approved
Active
Cert Number: 48540
Expiration: 03/25/2027
Zip: 21114
Erin Goodnough
GIS Programmer- NASA
GISP Approved
Active
Cert Number: 91366
Expiration: 06/25/2026
Zip: 13104
Eric Goods
GIS Technician
GISP Approved
Active
Cert Number: 54030
Expiration: 06/25/2027 00:00:00
Zip: 21202
Glenn Gorman
GIS Analyst
GISP Approved
Active
Cert Number: 162245
Expiration: 07/25/2028 00:00:00
Zip: 20646
Amanda Gowans
CRS Specialist
Expired
Cert Number: 53841
Expiration: 01/25/2011
Zip: 21043