top of page

GEO Team Members

Carol Winell
For over 30 years, Carol has pioneered and managed innovative remediation solutions designed to recover NAPL product from soil and groundwater. Sinc....
CEO & Co-Owner

Rob Dodman
Robert Dodman is an entrepreneur, investor, and executive advisor with nearly 30 years of experience across real estate development, hospitality, and business strategy. As P......
CFO & Co-Owner

Brian Krumbholz
our operational strategy with an engineer’s precision. A Cal Poly San Luis Obispo alumnus with a B.S. in Electrical Engineering, Brian has spent over 15 years managing.....
Vice President of Operations

Xiaosong (Jason) Chen, Ph.D., P.E.
Dr. Chen has designed and managed 60+ soil and groundwater remediation projects since 2002. Dr. Chen has significant work experience as a thermal .......
Director of Environmental Engineering
Iain Cowie

Sales Manager
Amanda Sandoval

Director of Finance & HR
Dori Etter

System Development Manager
Stephen Koenigsberg, Ph.D

Sales Strategy Consultant
Gordon Doull

Project Manager
Jack Rothe

Project Manager
Alsa Gao

Environmental Engineer
Eric Ma

Environmental Engineer
Songdi Zhao

Environmental Engineer
Sepehr Ghahremani

IT & Procurement Manager
Angie Gentili

Warehouse Coordinator
Dianna Armand

Bookkeeper
Emily Gilbert

HR Coordinator
Michelle Geckeler

Projects Coordinator
Howie Hyatt

Quality Control & Warehouse Manager
Andy Remillard

East Coast Operations Manager
Brian Morris

Operations Manager
Alex Heirman
Vu Tran
Greg Susanka
Vace Varasteh
Shane Morris
Frank Allen
Chris Howe
Ashton Flanagan
Josh Sisson
Tony Madrid
Michael Hyatt
Marios Argitis
Robert Winchell
Luke Giguere
Wyatt Staples
Jim Dickson
Ryan Ordelt
Mike Cogswell
Levi Winslow
bottom of page