William Peterlein, P.E.

President & Principal Geotechnical Engineer

Craig Coolidge, P.E.

Vice President & Principal Geotechnical Engineer

Erika Stewart, P.E.

Senior Geotechnical Engineer

Kevin R. Farrar, P.L.S.

Senior CAD Technician

Shawn Floyd

Operations Drilling Manager

Colleen Sullivan, E.I.

Geotechnical Engineer

Jason Barnes, E.I.

Geotechnical Engineer

Ellis Dixon

Geotechnical Engineer

Lauren Dickson

Geotechnical Engineer

Austin Manzella

Assistant Driller Technician

Roy Grotton

Mechanic

Judith Metzger

Office Manager