William Peterlein, P.E.
President & Principal Geotechnical Engineer
Craig Coolidge, P.E.
Vice President & Principal Geotechnical Engineer
Lisa Turner, P.E., L.S.S.
Senior Engineer
Erika Stewart, P.E.
Senior Geotechnical Engineer
Shawn Floyd
Operations Drilling Manager
Kevin R. Farrar, P.L.S.
Senior CAD Technician
Colleen Sullivan, P.E.
Geotechnical Engineer
Ellis Dixon, E.I.
Geotechnical Engineer
Jason Barnes, E.I.
Geotechnical Engineer
