Meet the team of project managers, scientists, and specialists who bring their technical expertise and attention to each project.

Lindsay Benko A (7 7 22) Crop
Lindsay Bower

Soil Scientist I

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Robin C. Brandt, Ph.D., PE

Vice President, Shareholder

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Lisa Challenger

Chief Executive Officer, Shareholder

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Jacob Hawkins

Soil Scientist II

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Nickolas Hines

Environmental Scientist II

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Trudy Johnston

Managing Director, Certified Operator, Shareholder

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Tom Studio
Thomas J. Krall

Senior Soil Scientist

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Christine McLain, PMP

Data Specialist II

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Mikayla Regan

Wastewater & Residual Scientist I, Licensed Operator

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Natalie Switala

Senior Wastewater Scientist

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Vanessa Spychola

Business Manager

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Affiliations With Professional Organizations

The Water Environment Federation

Mid-Atlantic Biosolids Association

Pennsylvania Water Environment Association

Solid Waste Association of North America

American Water Works Association

The Central Pennsylvania Water Quality Association

Eastern Pennsylvania Water Pollution Control Operators Association

The Chesapeake Water Environment Association

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.

The Women’s Business Enterprise National Council

Maryland’s Office of Minority Business Enterprise

Office of Historically Underutilized Businesses (NC)

Division of Minority and Women’s Business Development (NY)

Division of Minority and Women’s Business Development (NYC)

Pennsylvania Unified Certification Program