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A water treatment sector leader in our Fairfax office, Nicolle leads water and wastewater treatment programs from the design to construction phase, including community outreach and stakeholder engagement.

Joseph Jacangelo has more than three decades of experience in environmental health engineering specializing in water quality and treatment, water and wastewater disinfection, membrane technology, and public health.

A water, wastewater and water reuse treatment environmental engineer, Tyler has recently focused his career on improving the fecal sludge management programs in South Asia.

As a process design lead on water treatment plant projects, Liz focuses on water quality, water treatment process design, and treatment alternatives analysis. She specializes in treatment and management of per- and polyfluoroalkyl substances (PFAS).