Conor O'Hara
Scientist
GISP Approved
Active
Cert Number: 162166
Expiration: 04/25/2028 00:00:00
Zip: 21031
Elizabeth O'Keefe
GIS Analyst/Planner
GISP Approved
Active
Cert Number: 161714
Expiration: 12/25/2026 00:00:00
Zip: 21045
Amanda O'Shea
Sr GIS Lead
GISP Approved
Active
Cert Number: 57720
Expiration: 02/25/2028
Zip: 21234
Matthew OConnell
GIS Supervisor
GISP Approved
Active
Cert Number: 160549
Expiration: 12/25/2027
Zip: 21046
Candice Ottley-Francois
Vice President
GISP Approved
Active
Cert Number: 7330
Expiration: 06/25/2028
Zip: 21234
Stephan Owe
Env Scientist
GISP Approved
Active
Cert Number: 161829
Expiration: 07/25/2027 00:00:00
Zip: 21228
Timothy Palmer
Sr Vice President
GISP Approved
Active
Cert Number: 90927
Expiration: 06/25/2026
Zip: 21078
Chambal Pandey
Sr. Water Resources Engineer
GISP Approved
Active
Cert Number: 55480
Expiration: 07/25/2027
Zip: 20723
Sujan Parajuli
GIS Consultant (Contractor)
GISP Approved
Active
Cert Number: 162370
Expiration: 07/25/2028
Zip: 20695
Andrea Parish
Planner - Geospatial Lead
GISP Approved
Active
Cert Number: 23810
Expiration: 10/25/2026
Zip: 20601
Daniel Passman
GIS Analyst
GISP Approved
Active
Cert Number: 91054
Expiration: 06/25/2026
Zip: 21217
Iftach Pearlman
GIS Enterprise Administrator
GISP Approved
Active
Cert Number: 91395
Expiration: 06/25/2026
Zip: 20910-2342
Jennifer Pfister
Project Specialist III
GISP Approved
Active
Cert Number: 59608
Expiration: 07/25/2027
Zip: 21117
Stephanie Phillips
GIS Specialist IV
GISP Approved
Active
Cert Number: 162344
Expiration: 07/25/2028
Zip: 20874
Jesse Pinchot
GIS Specialist
GISP Approved
Active
Cert Number: 90257
Expiration: 01/25/2029
Zip: 21702
James Poeschel
GIS Analyst
GISP Approved
Active
Cert Number: 162704
Expiration: 03/25/2029
Zip: 21075
Bonn Poland
GIS Specialist I
GISP Approved
Active
Cert Number: 90071
Expiration: 10/25/2028
Zip: 21740-4727
William Press
Senior Data Analyst
GISP Approved
Active
Cert Number: 162100
Expiration: 01/25/2028 00:00:00
Zip: 21043
Russell Provost
GIS Manager
GISP Approved
Active
Cert Number: 75530
Expiration: 05/25/2028
Zip: 20850
Thejashwini Ramarao
Production Analyst
GISP Approved
Active
Cert Number: 162242
Expiration: 07/25/2028 00:00:00
Zip: 21701
Jason Ramsey
Sr Systems Engineer
GISP Approved
Active
Cert Number: 90189
Expiration: 12/25/2028
Zip: 21030
Joseph Rathvon
GIS Manager
GISP Approved
Active
Cert Number: 90072
Expiration: 10/25/2028
Zip: 21740
Luis Resh
Data Systems Analyst
GISP Approved
Active
Cert Number: 162542
Expiration: 12/25/2028 00:00:00
Zip: 21921
Shelby Roberson
GIS Manager
GISP Approved
Active
Cert Number: 90997
Expiration: 06/25/2026 00:00:00
Zip: 20878
Starla Robinson
Physical Scientist
GISP Approved
Active
Cert Number: 65682
Expiration: 01/25/2028
Zip: 20783
Demian Rybock
GIS Professional Consultant
GISP Approved
Active
Cert Number: 42990
Expiration: 04/25/2028
Zip: 20781
Conrad Schaefer
Senior GIS Analyst
GISP Approved
Active
Cert Number: 90401
Expiration: 09/25/2026
Zip: 21032
Stephanie Scherer
Geographer
GISP Approved
Active
Cert Number: 161449
Expiration: 12/25/2028
Zip: 21047
John Schlee
Work and Asset Management Solutions / GIS Division Manager
GISP Approved
Active
Cert Number: 18817
Expiration: 02/25/2028
Zip: 20882
Michael Scott
Professor, Interim Dean
GISP Approved
Active
Cert Number: 57827
Expiration: 08/25/2026
Zip: 21801
Lionell Sewell
GIS Supervisor
GISP Approved
Active
Cert Number: 66503
Expiration: 12/25/2027
Zip: 20678
Michel Sheffer
Assistant Chief
GISP Approved
Active
Cert Number: 51238
Expiration: 04/25/2029
Zip: 21202
Bineeta Sihota
GIS Analyst
GISP Approved
Active
Cert Number: 67830
Expiration: 02/25/2028
Zip: 21085
Erin Silva
Project Manager
GISP Approved
Active
Cert Number: 67747
Expiration: 01/25/2029
Zip: 21801
Burt Simpson
Addresseer
GISP Approved
Active
Cert Number: 46624
Expiration: 02/25/2028
Zip: 21227
Glen Sine
Technical Data Analyst
GISP Approved
Active
Cert Number: 68004
Expiration: 06/25/2029
Zip: 21620
Charles Siwinski
Senior GIS Analyst
GISP Approved
Active
Cert Number: 160809
Expiration: 05/25/2029
Zip: 21009
Daniel Smith
Senior GIS Analyst/Project Manager
GISP Approved
Active
Cert Number: 51048
Expiration: 02/25/2029
Zip: 21128
Kaitlin Smith
Environmental Scientist
GISP Approved
Active
Cert Number: 162191
Expiration: 07/25/2028 00:00:00
Zip: 21158
Chris Snyder
GIS Technical Lead
GISP Approved
Active
Cert Number: 160600
Expiration: 07/25/2028
Zip: 21211
Seth Sobel
Geospatial and Telecommunications Specialist
GISP Approved
Active
Cert Number: 161567
Expiration: 07/25/2026 00:00:00
Zip: 20910
Julie Spangler
Director GIS & Technology
GISP Approved
Active
Cert Number: 65639
Expiration: 08/25/2027
Zip: 21046
Robert Stevens
GIS Analyst
GISP Approved
Active
Cert Number: 99299
Expiration: 12/25/2026
Zip: 21031
Russell Stone
GIS Program Administrator
GISP Approved
Active
Cert Number: 161963
Expiration: 09/25/2027 00:00:00
Zip: 21044
Collin Strine-Zuroski
Sr Geoscientist
GISP Approved
Active
Cert Number: 90354
Expiration: 01/25/2029 00:00:00
Zip: 21770
Matthew Stutts
Enterprise GIS Specialist
GISP Approved
Active
Cert Number: 58210
Expiration: 10/25/2026 00:00:00
Zip: 20912
Jay Sullivan
GIS Analyst
GISP Approved
Active
Cert Number: 162057
Expiration: 01/25/2028 00:00:00
Zip: 21211
William Tewelow
Senior Geospatial Specialist
GISP Approved
Active
Cert Number: 90266
Expiration: 01/25/2029
Zip: 20874
Mussie Tewolde
GIS Specialist
GISP Approved
Active
Cert Number: 88740
Expiration: 10/25/2028 00:00:00
Zip: 20772
Brian Tolley
GIS Specialist II
GISP Approved
Active
Cert Number: 160943
Expiration: 01/25/2027
Zip: 21643