People & Team

Our people are our greatest resource. Today, our agile, supportive team serves private and public clients from offices in San Dimas, CA and Tucson, AZ as we provide safe, sustainable, and reliable groundwater solutions.

Nicolette Nguyen
Associate Geohydrologist
Dennis Williams
President/Principal Geohydrologist
Johnson Yeh
Principal Modeler
Logan Wicks
Project Geohydrologist
Lauren Wicks
Project Geohydrologist
Terry A. Watkins
Senior Geohydrologist
Brian Villalobos
Vice President of Operations/ Principal Hydrogeologist
Robert Sia
Senior Associate Geohydrologist
Si Si
Senior Associate Modeler
Nathan Reynolds
Project Geohydrologist
Leo Liu
Senior Associate Modeler
Seth Kuiper
Senior Associate Geohydrologist
Tiffany Jensen
HR Director
Chris Coppinger
Senior Geohydrologist
Tim Chen
Project Modeler
Marissa Bosworth
Office Manager