Our Team
Our people are our strength. Our team of toxicologists, engineers, geoscientists, marine scientists, chemists, data scientists, and other professionals skillfully blend technical expertise with big-picture context and insight.

Diane Achman
Senior Scientist
Kayla Aguado
Assistant Scientist
Sarah Albano, P.E.
Senior Consultant
Mike Ammann
Associate of Integral
Melissa Armstrong
Consultant
Shannon Ashurst
Senior Scientist
Linda J. Baker, R.G., L.H.G.
Principal
Anthony Balado
Scientist
Silvia Gianetti Barber
Consultant
Sara M. Barbuto
Senior Engineer
Matt Behum
Senior Scientist
Sam Blakesley
Scientist
Ann E. Bradley
Senior Consultant
Judy Breen
Managing Editor
Keith P. Brodock, P.E., P.P.
Principal
Sandy Browning
Consultant
Eric Bushèe
Lead CAD Designer/GIS Analyst
Doug Carbaugh
IT Manager
Monica Carstens
Publications Manager
Grace Chang, Ph.D.
Senior Science Advisor
Karah Conklin, P.E.
Senior Engineer
Annaleise Conway
Assistant Scientist
Katie Corso
Project Scientist
Sean L. Culkin, P.G., C.H.G.
Consultant
Zoe Curley
Assistant Scientist
William Cutler, Ph.D., P.G.
Principal
Betsy Day
Principal
Dominick DeAngelis
Associate of Integral
Paul C. DeLeo, Ph.D.
Principal
Bridgette R. DeShields
Principal
Eron Dodak, R.G., L.H.G.
Senior Consultant
Joseph Drew
Human Resources Director
Judi L. Durda
Vice President
Samantha Eanes, E.I.T.
Engineer
Melanie Edwards
Senior Consultant
Steven Eikenbary
Assistant Scientist
Glenn Esler
Scientist
Mauri Fabio
Associate Scientist
Christopher Flanary, Ph.D.
Consultant
Lance W. Fontenot, Ph.D., PWS
Principal
Avram Frankel, P.E.
Principal
Kristian Fried, Ph.D., Dr. rer. nat., DABT, ERT
Senior Consultant
Patrick L. Friend, Ph.D., P.G.
Strategic Advisor
Jarrod D. Gasper
Consultant
Negin Ghoseiri, E.I.T.
Senior GIS Analyst
Caleb Grant
Data Manager
Marcia Greenblatt, Ph.D., P.E.
Principal
John R. Griffin
Senior Consultant
Emily Guyer, P.E.
Senior Consultant
Patrick O. Gwinn
Principal
Andrew J. Halmstad, E.I.T.
Consultant
Jane Hamblen
Consultant
Cheryl J. Hapke, Ph.D.
Senior Consultant
Olivia Hargrave, E.I.T.
Engineer
Steven O. Helgen
Principal
Craig Hutchings
Consultant
Carolyn Huynh
Project Scientist
Matthew Jamieson
Scientist
Laura Jones
Vice President
Craig A. Jones, Ph.D.
Principal
Megan Jones
Associate Scientist
Russell E. Keenan, Ph.D.
Vice President
Barry L. Kellems, P.E.
Principal
Lia Kershaw
Senior Technical Editor
Kelsey Kirkland, G.I.T.
Assistant Scientist
Sarah M. Kissell
Engineer
Jim Knape
Data Manager
Sean Kosinski, P.Hg.
Senior Consultant
James Lape
Senior Science Advisor
Ben Leonard
Associate Scientist
David Livermore, R.G., L.H.G.
Principal
William Locke, P.E.
President
Amber M. Lutey, R.G.
Project Scientist
A. Michael Macrander, Ph.D.
Associate of Integral
Melissa L. Marietta
Senior Scientist
Jeffrey E. Marsh, E.I.T.
Consultant
Todd Martin, P.E.
Principal
Michael J. Martin, P.E.
Senior Engineering Advisor
Larry F. Marx
Vice President of Corporate Development, Chairman of the Board
Craig McDaniel
Director, Contracts and Risk Services
Patrick McGuire, E.I.T.
Project Engineer
Samuel McWilliams, E.I.T.
Senior Scientist
Alexandra Meyers
Project Scientist
Laura Mudge, Ph.D.
Project Scientist
Andrew Nicholson, Ph.D.
Senior Science Advisor
R. Dreas Nielsen
Senior Science Advisor
Claire O’Donnell
Associate Scientist
Nicole Ott
Senior Consultant
Erin Palko, P.G., LSRP
Principal
Robert Pastorok, Ph.D.
Associate of Integral
Mala Pattanayek
Senior Consultant
Blair Paulik, Ph.D.
Project Scientist
Stan Pauwels, Ph.D.
Senior Consultant
Eben Pendleton, E.I.T.
Project Scientist
Benjamin G. Petri, Ph.D.
Consultant
Dennis S. Poma, P.E.
Principal
Jessie Powell
Assistant Engineer
Damian V. Preziosi
Principal
Kaustubha Raghukumar, Ph.D.
Consultant
Elizabeth Rand
Consultant
Cristal Reagh
Assistant Scientist
Brooke Redding
Consultant
Gene Revelas
Senior Consultant
David L. Revell, Ph.D.
Principal
John A. Rhodes, P.E.
Associate of Integral
Kat Ridolfi
Consultant
Nikki Rise
Assistant Engineer
Christina E. Ross
Project Scientist
John Samuelian, Ph.D.
Senior Science Advisor
Spencer J. Savage
Engineer
Kara R. Scheu, Ph.D.
Senior Scientist
Mark Schroeder, E.I.T.
Associate Engineer
Conner Schultz
Associate Scientist
Thomas R. Schulz
Project Scientist
Charles Shaw
Associate Scientist
Stephen Sherman, P.G.
Consultant
Katelynn Shields
Project Scientist
Anthony J. Shields, P.E.
Project Engineer
Neil R. Simon
Technology Specialist
Frank W. Spada
Scientist
Christopher Stevens
Project Scientist
Heather M. Summers
Consultant
Jane L. Sund, P.E.
Consultant
Neil P. Swanson
Senior Scientist
Manon Tanner-Dave
Project Scientist
Lisa Tolbert
Senior Scientist/Engineer
Barbara A. Trenary
Associate of Integral
Brandon C. Tufano
Scientist
Mandy Tulich
Consultant
Edgar Uribe
Chief Financial Officer
Logan Uselman, Ph.D.
Project Scientist
Stella Wang
Associate Scientist
Stefan Wodzicki
Project Scientist
J. Bernadette Wright, L.G.
Senior Scientist
Katelyn Zatwarnicki
Scientist
Peter W. Zimmermann
Principal
Carolina Zuri, E.I.T., QISP
Senior Engineer
“The people! They make a world of difference by setting the stage to a great working environment and culture.”