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2023 AGP Board Members

President
Tom M. Szynakiewicz, P.E., D.GE, M.ASCE
1208 Quail Street
Lakewood, CO 80215
P: 720-550-1201
[email protected]

President-Elect
Jerry A. Dimaggio, P.E., D.GE, M.ASCE
162 Henlopen Ave
Rehoboth Beach, DE 19971-1633
P: 443-852-4829
[email protected]

Past-President
Margaret Hagerty Duffy, P.E., D.GE, M.ASCE
Hagerty Engineering, Inc.
335 Spring St.; Ste B
Jeffersonvlle, IN 47130-4480
P: (502)553-3211
[email protected]

(2021-2023)
G-I Representative
Stan R. Boyle, P.E., D.GE, M.ASCE
Shannon & Wilson Inc
7736 30th Avenue NW,
Seattle, WA 98117
P: 206-528-0878
[email protected]

(2021-2023)
Paul J. Axtell, P.E., D.GE
Dan Brown and Associates, PC
10134 Glenwood St
Overland Park, KS 66212-1729
P: 816-965-6208
[email protected]

(2021-2023)
Public Member
Joel G. Carson
GBA
1300 Piccard Dr
Rockville, MD 20850-4303
P: 402-517-1819
[email protected]

(2023-2025)
Shawnna Louise Erter, P.E.,D.GE,F.ASCE
SCI Engineering Inc
130 Point West Boulevard
Saint Charles, MO 63301
P: 314-486-1215  
[email protected]

(2023-2025)
Raymond J Franz, P.E., D.GE, M.ASCE
Keller North America, Inc.
1813 E Shoreview Dr
San Ramon, CA 94582-5324
P: 847-774-0465
[email protected]

(2022-2024)
Ingrid Maria Howard, P.E.,D.GE
104 Thanes Way
Martinsburg, WV 25403-1150
P: 304-02-2499
[email protected]

(2023-2025)
Sebastian Lobo-Guerrero, Ph.D., P.E., D.GE, M.ASCE
American Geotechnical & Environmental Services, Inc.
552 Neville Street, Apt. 73
Pittsburgh, PA 15213
P: 412-478-2893  
[email protected]

Secretary/Treasurer
Brian Sien, Aff.M.ASCE
ASCE
1801 Alexander Bell Drive
Reston, VA 20191-4400
P: 703-295-6314
[email protected]