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

Noelle Bennese (7 7 22) (crop) Copy
Noelle Bennese

Environmental Scientist I

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Lindsay Benko A (7 7 22) Crop
Lindsay Benko

Soil Scientist I

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Kathleen
Kathleen Bertoldi, EIT

Wastewater & Residual Scientist II

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Robin
Robin C. Brandt, Ph.D., PE

Vice President, Shareholder

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Lisa
Lisa Challenger

Senior Environmental Scientist, Shareholder

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Nickolas
Nickolas Hines

Environmental Scientist I

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Trudy
Trudy Johnston

Managing Director, Certified Operator, Shareholder

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Tom Studio
Thomas J. Krall

Senior Soil Scientist

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Michelle
Michelle McCall

CEO

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Christine
Christine McLain, PMP

Data Specialist II

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Jadetriton
Jade Triton

Controller

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Wade
Wade Yankey

Acting Senior Wastewater & Residual Scientist, Certified Operator

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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