Our Team
Our people are our strength. Our team of toxicologists, engineers, geoscientists, marine scientists, chemists, data scientists, and others skillfully blend technical expertise with big-picture context and insight.
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Sarah Albano, P.E.
Senior Consultant
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Silvia Gianetti Barber
Senior Consultant
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Stephen Bentsen, P.E.
Senior Consultant
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Ryan Brain, CMC
Chief Executive Officer
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Grace Chang, Ph.D.
Senior Science Advisor, Director of Research and Development
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William Cutler, Ph.D., P.G.
Associate of Integral
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Bridgette R. DeShields
Principal, Technical Director - Permitting and Planning
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Judi L. Durda
Senior Principal
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Melanie Edwards, PStat.
Senior Solution Architect
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Avram Frankel, P.E.
Chief Operating Officer
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Kristian Fried, Ph.D., Dr. rer. nat., DABT, ERT
Senior Consultant
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Patrick L. Friend, Ph.D., P.G., C.C.P.
Global Strategic Advisor
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Zach Gostanian, CPSM
Marketing Director
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Marcia Greenblatt, Ph.D., P.E.
Managing Principal, Business Director, Investigation and Remediation
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John R. Griffin
Senior Consultant
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Emily Guyer, P.E.
Senior Consultant
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Patrick O. Gwinn
Principal, Toxicology, Health, and Ecological Sciences
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Steven O. Helgen
Principal, Hydrology, Geosciences, and Chemistry
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Miranda Henning, BCES
Managing Principal, Business Director - Health and Ecology
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Laura Jones
Senior Corporate Advisor
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Craig A. Jones, Ph.D.
Managing Principal, Business Director - Marine, Coastal, Climate, and Technology Services
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Russell E. Keenan, Ph.D.
Senior Principal
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Barry L. Kellems, P.E.
Associate of Integral
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David Livermore, R.G., L.H.G., CWRE
Senior Principal
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William Locke, P.E.
President
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Jeffrey E. Marsh, P.E.
Senior Consultant
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Todd Martin, P.E.
Principal, Engineering
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Michael J. Martin, P.E.
Senior Engineering Advisor, Technical Director - Engineering
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Larry F. Marx
Senior Corporate Advisor & Board Member
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Andrew Nicholson, Ph.D.
Senior Science Advisor
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R. Dreas Nielsen
Associate of Integral
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Nicole Ott
Principal, Hydrology, Geosciences, and Chemistry
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Erin Palko, P.G., LSRP
Principal, Investigation and Remediation
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Damian V. Preziosi
Managing Principal, Strategic Initiatives Director
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Eugene C. Revelas
Senior Science Advisor
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David L. Revell, Ph.D.
Principal, Coastal Climate Risk and Resilience
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John Samuelian, Ph.D.
Associate of Integral
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Theodore D. Tomasi, Ph.D.
Managing Principal, Business Director - Natural Resources and Enviromental Economics
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Susan B. Welt, MPH, P.E.
Principal, Engineering
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Peter W. Zimmermann, P.G.
Principal, Hydrology, Geosciences, and Chemistry
“Company operations are much more transparent than at other companies where I have worked. In addition, management is readily accessible and open to input from all staff.”