About Us >> Facility and Staff Qualifications >> Monrovia Staff

Meet our Monrovia Staff

Sidebar Image


Our sales staff, based throughout the nation, serve as your advocates while bringing technical expertise to their roles. 


Bradley Cahoon, Account Manager
Phone: 480-778-1559 / 602-524-0423 (cell)
Email: BradleyCahoon@EurofinsUS.com

Mr. Cahoon brings over 20 years experience in sales and service centers to our clients.


Monica Van Natta, Account Manager
Phone: 559-326-4396
Email: MonicaVanNatta@EurofinsUS.com

Ms. Van Natta has over 20 years of environmental laboratory experience as an account executive and client services manager. Her responsibilities include sales and services in the west.

Craig Johnson

Craig Johnson, Account Manager
Phone: 925-330-5853
Email: CraigJohnson@EurofinsUS.com

Mr. Johnson has 25 years of experience in Environmental Testing, in both laboratory administration and sales.  Mr. Johnson is responsible for sales in Northern California.

Client Services

The Client Services Project Managers who interact with you every day have over 100 years of combined potable and wastewater experience.  We focus on having project managers with extensive technical depth so they can help you interpret results, delivering not just analytical results, but information.


Ali Haghani, Research and Development Manager
Phone: 626-386-1138
Email: AliHaghani@EurofinsUS.com

Mr. Haghani has over 15 years of experience in metals, GC, GCMS, wet chemistry, and ion chromatography. He has assisted the EPA with method validations on numerous UCMR3 methods and co-authored EPA method 314 for perchlorate. Mr. Haghani is responsible for methods development, training, and instrument troubleshooting throughout the lab. He has developed state of the art methods for EDCs/PPCPs and PFCs.


Linda Geddes, Client Services Manager
Phone: 626-386-1163
Email: LindaGeddes@EurofinsUS.com

Ms. Geddes has over 30 years of environmental laboratory experience as an analyst, supervisor, and quality assurance officer. She is currently a Senior Project Manager handling bottled water and beverage clients and was key in developing electronic deliverable formats for programs such as UCMR3.


David Tripp, Analytical Services Manager
Phone: 626-386-1158
Email: DavidTripp@EurofinsUS.com

Mr. Tripp has over 30 years of environmental laboratory experience, including 20 years with Eaton Analytical – and the past 8 years as an Analytical Services Manager. His client service experience includes working directly with USEPA, large and small utilities, environmental consultants, and bottled water companies to meet their regulatory monitoring requirements.



Yolanda Martin, Analytical Services Manager
Phone: 626-386-1104
Email: YolandaMartin@EurofinsUS.com

Ms. Martin has over 15 years of experience with Eaton Analytical and served as a GCMS analyst before becoming a project manager.


Debbie Frank, Analytical Services Manager
Phone: 626-386-1149
Email: DebbieFrank@EurofinsUS.com

Ms. Frank has over 25 years experience with Eaton Analytical. She supports clients requiring complex electronic deliverables and international clients.


Tom French, Phoenix Service Center Manager / Analytical Services Manager
Phone: 480-778-1558
Email: TomFrench@EurofinsUS.com

Mr. French has more than 25 years' experience with Eaton Analytical and other environmental testing firms. He is responsible for various statewide and national monitoring program. He also manages our Arizona Service Center.


Shea Greiner, Denver Service Center Manager / Analytical Services Manager
Phone: 303-253-5037
Email: SheaGreiner@EurofinsUS.com

Ms. Greiner has 25 years of experience in the environmental industry with a focus in drinking water. Ms. Greiner manages Eaton Analytical’s Denver Service Center located in Lakewood, CO.


Vanessa Berry

Vanessa Berry, Portland Service Center Manager / Analytical Services Manager
Phone: 503-310-3905
Email: VanessaBerry@EurofinsUS.com

Ms. Berry manages the Portland Service Center located in Beaverton, OR.  At this location she supports local clients with project management, sampling and shipping supplies.  Ms. Berry has over 10 years of experience as an analyst and project manager.