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.

STAFF | LEADERSHIP

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
Stephen Bentsen, P.E.

Senior Consultant
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 Cowan

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

Executive 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.

Managing 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
Katherine Heal, Ph.D.

Scientist
Bill Heiple, P.E., L.E.P.

Senior Engineering Advisor
Steven O. Helgen

Principal
Miranda Henning

Managing Principal
Craig Hutchings

Consultant
Carolyn Huynh

Project Scientist
Matthew Jamieson

Scientist
Laura Jones

Vice President
Craig A. Jones, Ph.D.

Managing 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

Senior Corporate Advisor, 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
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, E.I.T.

Assistant Engineer
Damian V. Preziosi

Managing 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
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
Christopher W. Sinton, Ph.D.

Senior Scientist
Frank W. Spada

Scientist
Geordee Spilkia

Associate 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
Theodore D. Tomasi, Ph.D.

Managing Principal
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
Christopher Wood

Project Scientist
J. Bernadette Wright, L.G.

Senior Scientist
Katelyn Zatwarnicki

Scientist
Peter W. Zimmermann

Principal
Carolina Zuri, E.I.T., QISP

Senior Engineer

Join Our Team

“The people! They make a world of difference by setting the stage to a great working environment and culture.”

Our Team

Diane Achman

Kayla Aguado

Sarah Albano, P.E.

Mike Ammann

Melissa Armstrong

Shannon Ashurst

Linda J. Baker, R.G., L.H.G.

Anthony Balado

Silvia Gianetti Barber

Sara M. Barbuto

Matt Behum

Stephen Bentsen, P.E.

Sam Blakesley

Ann E. Bradley

Judy Breen

Keith P. Brodock, P.E., P.P.

Sandy Browning

Eric Bushèe

Doug Carbaugh

Monica Carstens

Grace Chang, Ph.D.

Karah Conklin, P.E.

Annaleise Conway

Katie Cowan

Sean L. Culkin, P.G., C.H.G.

Zoe Curley

William Cutler, Ph.D., P.G.

Betsy Day

Dominick DeAngelis

Paul C. DeLeo, Ph.D.

Bridgette R. DeShields

Eron Dodak, R.G., L.H.G.

Joseph Drew

Judi L. Durda

Samantha Eanes, E.I.T.

Melanie Edwards

Steven Eikenbary

Glenn Esler

Mauri Fabio

Christopher Flanary, Ph.D.

Lance W. Fontenot, Ph.D., PWS

Avram Frankel, P.E.

Kristian Fried, Ph.D., Dr. rer. nat., DABT, ERT

Patrick L. Friend, Ph.D., P.G.

Jarrod D. Gasper

Negin Ghoseiri, E.I.T.

Caleb Grant

Marcia Greenblatt, Ph.D., P.E.

John R. Griffin

Emily Guyer, P.E.

Patrick O. Gwinn

Andrew J. Halmstad, E.I.T.

Jane Hamblen

Cheryl J. Hapke, Ph.D.

Olivia Hargrave, E.I.T.

Katherine Heal, Ph.D.

Bill Heiple, P.E., L.E.P.

Steven O. Helgen

Miranda Henning

Craig Hutchings

Carolyn Huynh

Matthew Jamieson

Laura Jones

Craig A. Jones, Ph.D.

Megan Jones

Russell E. Keenan, Ph.D.

Barry L. Kellems, P.E.

Lia Kershaw

Kelsey Kirkland, G.I.T.

Sarah M. Kissell

Jim Knape

Sean Kosinski, P.Hg.

James Lape

Ben Leonard

David Livermore, R.G., L.H.G.

William Locke, P.E.

Amber M. Lutey, R.G.

A. Michael Macrander, Ph.D.

Melissa L. Marietta