Meet Our Team
Meet the team of project managers, scientists, and specialists who bring their technical expertise and attention to each project.
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Alexander Vasilenko
Civil Engineering and Survey Technician
Robin C. Brandt, Ph.D., PE
Technical Director
Lisa Challenger
Chief Operating Officer
Margaret Dean
Agricultural Specialist
Evin Fitzpatrick
Senior Soil Scientist
Chad Harrison, PE
President, Chief Executive Officer
Nickolas Hines
Senior Environmental Scientist
Molly Hughes, PE
Principal Engineer
Sara H
Administrative
Trudy Johnston
Technical Director, Certified Operator
Ethan Keitel
Environmental Scientist I
Casey Leonick
Environmental Scientist II
Samuel Maurer
Civil Designer
Christine McLain, PMP
Assistant Project Manager
Natalie Switala
Senior Wastewater Scientist, Certified Operator
Vanessa Spychola
Business Manager
Joseph Tetreault
Senior Wastewater Scientist
Timothy Ward
Engineer in Training
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