Contact Us

E-mail Us:

Chairman of the Board

William A. Aden P.E.
waden@daa.com - 540-552-0444

Division Leaders

Scott Kroll P.E. – Site Planning and Engineering
skroll@daa.com - 540-552-0444

Kenneth M. Piazza, P.E. – Geotechnical
kpiazza@daa.com - 804-264-2228

Fred T. Pribble, P.E. – Utilities
fpribble@daa.com - 804-264-2228

David W. Spriggs, P.E. – Structural
dspriggs@daa.com - 804-264-2228

Michael D. Lawless, P.G. – Environmental
mlawless@daa.com - 540-552-0444

Lee O. White, L.S. – Surveying
lwhite@daa.com - 804-264-2228

Career Information

Theresa Turner
tturner@daa.com - 540-552-0444

Water and Wastewater Survey/Reports:

wssurvey@daa.com

Waste Resource Engineering:

Jeffrey T. Crate, P.G., V.P. of Solid Waste Services
jcrate@daa.com - 540-552-0444

General Information:

daa@daa.com

CEO/President

Jeffrey N. Lighthiser, P.E.
jlighthiser@daa.com - 804-264-2228

Chief Operating Officer

Richard M. DiSalvo., Jr., P.E.
rdisalvo@daa.com - 540-552-0444

Chief Financial Officer

Theresa J.A. Turner, CDA, PHR
tturner@daa.com - 540-552-0444

Director of Marketing and Business Development

Jeffrey S. Nelson.
jnelson@daa.com - 804-264-2228