William Peterlein, P.E.
President & Principal Geotechnical Engineer
Craig Coolidge, P.E.
Vice President & Principal Geotechnical Engineer
Erika Stewart, P.E.
Senior Geotechnical Engineer
Shawn Floyd
Operations Drilling Manager
Judith Metzger
Office Manager
Colin Plante, P.E.
Senior Geotechnical Engineer
Colleen Sullivan, E.I.
Geotechnical Engineer
Jason Barnes, E.I.
Geotechnical Engineer
Kevin R. Farrar, P.L.S.
Senior CAD Technician
Austin Manzella
Assistant Driller Technician
Roy Grotton
Mechanic