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
Colleen Sullivan, P.E.
Senior Geotechnical Engineer
Shawn Floyd
Operations Drilling Manager
Kevin R. Farrar, P.L.S.
Senior CAD Technician
