Meet Our Team
Meet the team of project managers, scientists, and specialists who bring their technical expertise and attention to each project.
![Robin](https://materialmatter.wpenginepowered.com/wp-content/uploads/2022/01/img-team-2-robin-330x260.jpg)
Robin C. Brandt, Ph.D., PE
Vice President, Shareholder
![Lh Photo 7 16 2024](https://materialmatter.wpenginepowered.com/wp-content/uploads/2024/07/LH-Photo-7-16-2024-1-330x260.jpg)
Lisa Huxtable
Environmental Scientist I
![Lindsay Benko A (7 7 22) Crop](https://materialmatter.wpenginepowered.com/wp-content/uploads/2022/03/Lindsay-Benko-A-7-7-22-crop-e1657220552345-330x260.jpg)
Lindsay Bower
Soil Scientist I
![Lisa](https://materialmatter.wpenginepowered.com/wp-content/uploads/2022/01/img-team-3-lisa-330x260.jpg)
Lisa Challenger
Chief Executive Officer, Shareholder
![008 2](https://materialmatter.wpenginepowered.com/wp-content/uploads/2024/05/008-2-2-330x260.jpg)
Heath Hidlay
Soil Scientist II
![Nickolas](https://materialmatter.wpenginepowered.com/wp-content/uploads/2022/01/img-team-4-nickolas-330x260.jpg)
Nickolas Hines
Environmental Scientist III
![Trudy](https://materialmatter.wpenginepowered.com/wp-content/uploads/2022/01/img-team-5-trudy-330x260.jpg)
Trudy Johnston
Managing Director, Certified Operator, Shareholder
![Tom Studio](https://materialmatter.wpenginepowered.com/wp-content/uploads/2022/06/Tom-Studio-scaled-e1654872990683-330x260.jpg)
Thomas J. Krall
Senior Soil Scientist
![Christine](https://materialmatter.wpenginepowered.com/wp-content/uploads/2022/01/img-team-7-christine-330x260.jpg)
Christine McLain, PMP
Data Specialist II
![034 2](https://materialmatter.wpenginepowered.com/wp-content/uploads/2023/05/034_2-scaled-e1685550475225-330x260.jpg)
Vanessa Spychola
Business Manager
![](https://materialmatter.wpenginepowered.com/wp-content/themes/yscores/assets/img/backgrounds/site-backgrounds/team-member.jpg))
Natalie Switala
Senior Wastewater Scientist
Affiliations With Professional Organizations
![](https://materialmatter.wpenginepowered.com/wp-content/uploads/2022/01/img-team-afiliations-1-WEF.jpg)
The Water Environment Federation
![](https://materialmatter.wpenginepowered.com/wp-content/uploads/2022/01/img-team-afiliations-2-MABA.jpg)
Mid-Atlantic Biosolids Association
![](https://materialmatter.wpenginepowered.com/wp-content/uploads/2022/01/img-team-afiliations-3-PWEA.jpg)
Pennsylvania Water Environment Association
![](https://materialmatter.wpenginepowered.com/wp-content/uploads/2022/01/img-team-afiliations-4-SWANA.jpg)
Solid Waste Association of North America
![](https://materialmatter.wpenginepowered.com/wp-content/uploads/2022/01/img-team-afiliations-5-AWWA.jpg)
American Water Works Association
![](https://materialmatter.wpenginepowered.com/wp-content/uploads/2022/01/img-team-afiliations-6-CPWQA.jpg)
The Central Pennsylvania Water Quality Association
![](https://materialmatter.wpenginepowered.com/wp-content/uploads/2022/01/img-team-afiliations-7-EPWPCOA.jpg)
Eastern Pennsylvania Water Pollution Control Operators Association
![](https://materialmatter.wpenginepowered.com/wp-content/uploads/2022/01/img-team-afiliations-8-CWEA.jpg)
The Chesapeake Water Environment Association
![](https://materialmatter.wpenginepowered.com/wp-content/uploads/2022/01/img-team-afiliations-9-CASA.jpg)
California Association of Sanitation Agencies
WBE Certifications
Material Matters is a Woman-Owned Business Enterprise (WBE) certified with several agencies, including the agencies listed below.
![](https://materialmatter.wpenginepowered.com/wp-content/uploads/2022/01/img-team-wbe-certifications-1-WEBNC.jpg)
The Women’s Business Enterprise National Council
![](https://materialmatter.wpenginepowered.com/wp-content/uploads/2022/01/img-team-wbe-certifications-2-Maryland-MBE.jpg)
Maryland’s Office of Minority Business Enterprise
![](https://materialmatter.wpenginepowered.com/wp-content/uploads/2022/01/img-team-wbe-certifications-3-North-Carolina-HUB.jpg)
Office of Historically Underutilized Businesses (NC)
![](https://materialmatter.wpenginepowered.com/wp-content/uploads/2022/01/img-team-wbe-certifications-4-NY-State-MWBE.jpg)
Division of Minority and Women’s Business Development (NY)
![](https://materialmatter.wpenginepowered.com/wp-content/uploads/2022/01/img-team-wbe-certifications-5-NYC-MWBE.jpg)
Division of Minority and Women’s Business Development (NYC)
![](https://materialmatter.wpenginepowered.com/wp-content/uploads/2022/01/img-team-wbe-certifications-6-PAUCP.jpg)
Pennsylvania Unified Certification Program