Geoscience Support Services Employee Directory

Geoscience Support Services corporate office is located in 160 Via Verde Ste 150, San Dimas, California, 91773, United States and has 11-50 employees.

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geoscience support services

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geoscience support service inc

Employees by Department

Departments

Number of employees

Engineering & Technical

Operations

C-Suite

Key Employees of Geoscience Support Services

DW
Dennis William...
President
PhoneEmail
PhoneEmail
PhoneEmail
PhoneEmail
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PhoneEmail

Geoscience Support Services Global Presence

Location	People at location
North America	11-50

Index of contact profiles from Geoscience Support Services

Hundreds of professionals searching for Geoscience Support Services have connected with key decision-makers. Join them?

Contact Name

Contact Info

Job Title

HQ Location

MW
Marni Willis
Email Direct
Project Operations Lead
United States , California , San Dimas

CY
Chia Yeh
Email Direct
Senior Hydrogeologist
United States , California , San Dimas

MB
Marissa Bosworth
Email Direct
Office Manager
United States , California , San Dimas

Former Employees at Geoscience Support Services

Explore people who held key positions, contributed to Geoscience Support Services's success, and advanced their careers.

Amanda Earnest

Environmental Scientis... at AECOM

Worked as Staff Geohydrologist II

at Geoscience Support Services (2016-2022)

Direct

Edward Linden

Project Groundwater Ge... at Richard C Slade & Asso...

Worked as Staff Geohydrologist I

at Geoscience Support Services (2015-2019)

Direct

Philip DiFilippo

Senior Staff Geologist at Northgate Environmenta...

Worked as Staff Geologist

at Geoscience Support Services

Direct

Mask Content

Office Coordinator at Geosyntec

Worked as Project Administrator

at Geoscience Support Services (2013-2017)

Direct

Mask Content

Senior Hydrogeologist at Water Systems Consulti...

Worked as Senior Hydrogeologist

at Geoscience Support Services (2003-2017)

Direct

Mask Content

Project Manager at Tetra Tech

Worked as Project Manager

at Geoscience Support Services (2023-2025)

Direct

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Frequently Asked Questions Regarding Geoscience Support Services Employees

How many employees does Geoscience Support Services have?

Geoscience Support Services has 11-50 employees

Who are Geoscience Support Services key employees?

Some of Geoscience Support Services key employees are Dennis Williams

Where is Geoscience Support Services located?

Geoscience Support Services’s headquarters are located at 160 Via Verde Ste 150, San Dimas, California, 91773, United States

How do I contact Geoscience Support Services?

Geoscience Support Services Contact Info: Phone number: (909) 451-6650 Website: www.gssiwater.com

What does Geoscience Support Services do?

Geoscience has been a leader in groundwater science and solutions for over 47 years, offering comprehensive services such as groundwater basin modeling, management, and well design. Their client base includes water management agencies, water utilities, municipalities, agriculture, irrigation, and commercial developers primarily in California, Arizo... Read More

Is Geoscience Support Services a public company?

Geoscience Support Services is private company therefore does not currently have an official ticker symbol

See more information about Geoscience Support Services Employees