Julie Spangler
Director GIS & Technology
GISP Approved
Active
Cert Number: 65639
Expiration: 08/25/2027
Zip: 21046
Elizabeth Stahlman
GIS Manager
Expired
Cert Number: 65455
Expiration: 03/25/2016
Zip: 21502
Martha Stauss
GIS Specialist
Zip: 21214
James Stein
GIS Specialist
Expired
Cert Number: 58427
Expiration: 01/25/2024 00:00:00
Zip: 21093
Eric Stetser
Vice President
Expired
Cert Number: 20185
Expiration: 12/25/2018 00:00:00
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
Kierran Sutherland
GIS Specialist
Expired
Cert Number: 160560
Expiration: 12/25/2024 00:00:00
Zip: 21234
Matt Tansey
Program Specialist
Expired
Cert Number: 91074
Expiration: 06/25/2020 00:00:00
Zip: 20855
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
Dan Thomas
Division Manager, Technology & GIS Services
Expired
Cert Number: 61121
Expiration: 12/25/2013 00:00:00
Zip: 21043
Brian Tolley
GIS Specialist II
GISP Approved
Active
Cert Number: 160943
Expiration: 01/25/2027
Zip: 21643
Jason Torres
Mgy Support Specialist
Expired
Cert Number: 51550
Expiration: 05/25/2021 00:00:00
Zip: 21045
Adam Travis
GIS/CADD Specialist
Expired
Cert Number: 90319
Expiration: 01/25/2026
Zip: 21030
Wendy Turner
Sr GIS Engineer
Expired
Zip: 21104
Graham Twibell
Regional Planner
GISP Approved
Active
Cert Number: 160875
Expiration: 10/25/2026
Zip: 21211
Mary Valentino
GIS Specialist IV
Expired
Cert Number: 1280
Expiration: 06/25/2016 00:00:00
Zip: 21237
Erwin Villiger
Principal, Sustainability and Climate Analytics
GISP Approved
Active
Cert Number: 68072
Expiration: 06/25/2026
Zip: 20874
Martin Vitiello
Program Manager
GISP Approved
Active
Cert Number: 47031
Expiration: 05/25/2028
Zip: 21784
Nick Walls
Program Manager
GISP Approved
Active
Cert Number: 90915
Expiration: 06/25/2026
Zip: 21014
Valerie Shawn Wampler
GIS Coordinator
GISP Approved
Active
Cert Number: 21969
Expiration: 03/25/2029 00:00:00
Zip: 21401
Feng Wang
IT Specialist
GISP Approved
Active
Cert Number: 160416
Expiration: 07/25/2027
Zip: 20878
Matthew Webb
Systems Analyst
GISP Approved
Active
Cert Number: 90020
Expiration: 09/25/2028
Zip: 21401
Marc Weinshenker
Retired
Expired
Cert Number: 59668
Expiration: 07/25/2021 00:00:00
Zip: 20815
Joseph Weinstein
GIS Analyst
GISP Approved
Active
Cert Number: 162561
Expiration: 12/25/2028 00:00:00
Zip: 21215-3822
Ed Wells
Retired
GISP Approved
Active
Cert Number: 23955
Expiration: 04/25/2027 00:00:00
Zip: 20782
Martha Wells
Director of Consulting Services
GISP Approved
Active
Cert Number: 24811
Expiration: 06/25/2027
Zip: 20782
Jason Wheatley
Associate Vice President - Information & Spatial Solutions
GISP Approved
Active
Cert Number: 64540
Expiration: 02/25/2029
Zip: 21120
Kathleen Wheatley
Scientist/GIS
GISP Approved
Active
Cert Number: 90681
Expiration: 05/25/2026 00:00:00
Zip: 21120
Joseph White
GIS Team Leader
Expired
Cert Number: 51056
Expiration: 12/25/2013 00:00:00
Zip: 21202
Jamie Williams
GIS Analyst
Expired
Cert Number: 52200
Expiration: 05/25/2018 00:00:00
Zip: 21222
Tracy Williams
Environmental Specialist
Expired
Cert Number: 91618
Expiration: 06/25/2023 00:00:00
Zip: 21218
Cert Number: 500081
Expiration: 12/04/2028
Zip: 20816
Theresa Wimbrow
GIS Analyst III
GISP Approved
Active
Cert Number: 90502
Expiration: 03/25/2029
Zip: 21863
Michael Wissner
Senior GIS Officer
GISP Approved
Active
Cert Number: 161876
Expiration: 07/25/2027 00:00:00
Zip: 21217
Alex Woldemichael
Aeronautical Information Specialist
Expired
Cert Number: 90292
Expiration: 01/25/2026 00:00:00
Zip: 20816
Wesley Wood
Geospatial Analyst
Expired
Cert Number: 57389
Expiration: 09/25/2012
Zip: 21046
Carlynne Lyndy Worsham
Geographer
GISP Approved
Active
Cert Number: 14130
Expiration: 12/25/2026 00:00:00
Zip: 20851
Andrew Wright
GIS Project Manager
Expired
Cert Number: 67661
Expiration: 12/25/2019 00:00:00
Zip: 21620
Keith Wright
GIS Specialist II
GISP Approved
Active
Cert Number: 90614
Expiration: 05/25/2026
Zip: 20772
Zhijun Yao
Senior Application Developer
Expired
Cert Number: 57320
Expiration: 08/25/2018 00:00:00
Zip: 21042
Ryan Young
GIS Analyst
GISP Approved
Active
Cert Number: 160956
Expiration: 01/25/2027
Zip: 21403
Karen Zera
GIS Coordinator
Expired
Cert Number: 24521
Expiration: 09/25/2017 00:00:00
Zip: 21843
Cert Number: 37134
Expiration: 05/25/2023 00:00:00
Zip: 20817
Naijun Zhou
Lecturer
Expired
Cert Number: 90428
Expiration: 02/25/2020 00:00:00
Zip: 20723