Theresa O’Grady, PE

Water Resources Group Manager, Aurora, IL

Gary Sneddon, PE

Jacksonville, FL Office Manager

Stephen Prange, PE

Vice President, Springfield, MO Office Manager and Rail Services Leader

Paul Ina, PE

Surface Transportation Group Manager, Jacksonville, FL

Kevin Nelson, PE

Vice President, Aurora and Rockford Office Co-Manager/Surface Transportation Group Manager

Warren Knoles, PE, CVS

Senior Consultant and Principal Value Management Associate

Eric Hansen, PE, CSM

Vice President and Peoria, IL Office Manager

Cassie M. Reiter, PE, ENV SP

Senior Transportation Engineer

R. Jay Rakers, PE, ENV SP

Surface Transportation Project Manager

Randall Vogel, PE

Aviation Group Manager, Springfield, IL

Scott Knebel, PE

Vice President and Surface Transportation Group Manager, Ohio

Brian Eads, PE, PTOE

Project Manager and Traffic Engineer

Scott Knight, PE

Water Resources Group Manager, St. Louis, MO

David Earles, PLS

Chief of Surveys

Melanie Reddick

Aviation Project Manager

Lou Weller

Senior Electrical Engineer

Laura Sakach, PE, AICP

Environmental Project Manager and Office Manager, LaBelle, FL

L. Carrol Fowler

St. Petersburg, FL Office Manager/Senior Environmental Scientist

Paola Pringle

Senior Environmental Engineer/Air Quality Scientist

Harrison Earl

Senior Consultant, Air Service and Planning

Robert Gross, PhD

Environmental & Atmospheric Scientist

Scott Hanson, MPA, MSP, AICP

Senior Urban & Regional Planner

Wayne Arner

Noise, Air Quality & Vibration Scientist

Greg Frazier, AIA

Noise & Air Quality Scientist

Lindsay Baumaister

Noise & Air Quality Scientist

Sean Smith

Aviation Project Manager

Heather Lacey, PMP

Environmental Services Group Manager

Angie Koester

Human Resource Manager

Justin Godin

Air Quality Scientist/Meteorologist

Mike Reiter, PE

Aviation Group Manager, Southeast Region

Dennis Denby, PE, Assoc. DBIA

Civil & Site Group Manager, St. Louis, MO

Dan Pape, PE

Aviation Group Manager, Chicago, IL Region

Ryan Gaherty

Environmental Scientist

Kevin Fuller, PE

Vice President, Surface Transportation Group and St. Louis, MO Office Manager

Julie Jenson, PE

Environmental and Civil Engineer

Nicholas Haan

Principal Air Service Development

Boyd Nowicki

GIS Specialist

James Miorin

Project Manager

Doug Gregory, CM

Aviation Planning Group Manager

Rachel Shulman

Senior Consultant

Nick Batta, PE

Project Manager

Mike Van Wie, AAE

Project Manager

Benjamin Cooley, PE

Aviation Project Manager

Michael Doerfler, PE

Aviation Services Adviser

Marshall Lachecki, PE

Senior Engineer

Jake Barbour, PE

Project Manager

Kevin Miller, PE, PTOE

Asset Management and Traffic Engineer Project Manager

Josh Lockhart, PE

Senior Project Engineer

Greg Heaton, PE, CM, AICP

Vice President, Ohio Regional Manager and Indiana Regional Aviation Manager

Matthew Demos, PE

Chicago, IL Office Manager and Aviation Engineer

Richard Thuma, PE, ENV SP

Military and Special Projects Group Manager

Jack Blakemore, PE

Edwardsville, IL Office Manager and Project Manager/Engineer

Dominick J. Romano, Jr., PE

Surface Transportation Group Manager in Nashville, TN

Ty Besalke, PE, ENV SP

Water Group Manager, Springfield, IL

Christina Crites, PE, ENV SP

Vice President and Wastewater Group Manager, Springfield, IL

Asad Bajwa, PE

Chief Electrical Engineer

Bruce Jacobson

Senior Vice President and Aviation Consultant

George Cain, AIA

Chief Architect

Allen Smith, PE, SE

Structural Project Engineer for Surface Transportation

Daniel Meckes, PE

Chairman and CEO*

William Bailey, PE, SE

President*

Brian Welker, PE

Senior Vice President and Chief Operating Officer (COO)*

Roger Austin, AICP, ENV SP

Senior Vice President and Director of Marketing*

Kristy Allen

Human Resources Director

Dave Burkum, CPA, CMA, CGMA

Vice President and Chief Financial Officer

Raed Armouti, PE

Senior Vice President and Director of Water Resources*

Bradley Hamilton, PE, CM

Senior Vice President and Director of Aviation*

Roger Driskell, PE, Assoc. DBIA

Senior Vice President and Director of Surface Transportation

Christopher Stritzel, PE

Director of Building and Site Services

Shelby Ingle, PE

Director and Project Manager*

Stan Hansen, PE, PLS

Senior Vice President, Surface Transportation Group Manager and Springfield, IL Office Manager*

Adam Burns, PE

Vice President and Surface Transportation Group Manager, Indiana*

Ty Sander, PE

Vice President and Aviation Group Manager, Missouri*

Charles Taylor, PE

Senior Vice President and Director of Strategy