Expertise: Water

Patricia Hertzler

Patricia’s deep expertise in regulatory, economic, and statistical analyses and evaluations helps clients achieve extraordinary results. She has supported major drinking water, clean water, and

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Donna Jensen

With more than 40 years of experience with the Safe Drinking Water Act and its amendments, Donna Jensen helps federal, state, and local government clients

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Richard Krop

With more than 40 years’ experience in policy analysis of drinking water and water quality, energy efficiency evaluations, transportation, and indoor air quality, Richard Krop,

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Frank Letkiewicz

With 45 years of environmental science experience, Frank Letkiewicz helps clients achieve extraordinary results by creating the best policies to mitigate environmental risks via quantifying

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Erin Mateo

Erin Mateo is a water quality and policy expert with more than 25 years of experience supporting drinking water regulation and public health protection. Her

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Shari Ring

Shari Ring is a technical expert in Underground Injection Control (UIC). She has supported every regulatory initiative of the U.S. Environmental Protection Agency’s UIC Program

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Jaime Rooke

Jaime Rooke specializes in drinking water infrastructure financing, financial assurance of Underground Injection Control projects, economic analyses for rule development, and policy development and implementation.

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Peter Shanaghan

Peter E. Shanaghan brings more than 35 years of experience in federal drinking water policy, infrastructure, and security to Cadmus’ work on new and emerging

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Karen Sklenar

Karen Sklenar, PhD, has over 35 years of experience approaching water quality issues from the perspectives of academic researcher, water utility employee, state regulator, and

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Andrew Somor

Andrew Somor leads Cadmus’ work protecting and restoring the rivers, lakes, and coasts that communities depend on. He combines deep expertise in Clean Water Act

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