Richard Leigh
President
Philip A. Tritico, P.E.
Principal | Earthworks Division
Sonja D. Williams, P.E., P.G.
Technical Director of Environmental Services
Mark D. Gray, P.E.
Principal | Geotechnical and Environmental Divisions
Kelly Rotert, P.E., DBIA
Executive Vice President
Fanny Burrow
Office Manager
Larry Bracken
Principal | Materials Testing Division
Brenda Conley
Managing Director of Environmental Services
Ann Adams
Director of Client Relations