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Daniel Meckes, PE

Daniel Meckes, PE

Chairman and CEO

William Bailey, PE, SE

William Bailey, PE, SE

President

Brian Welker, PE

Brian Welker, PE

Senior Vice President and Chief Operating Officer (COO)

Charles Taylor, PE

Charles Taylor, PE

Senior Vice President and Director of Strategy

Roger Austin, AICP, ENV SP

Roger Austin, AICP, ENV SP

Senior Vice President and Director of Marketing

Bradley Hamilton, PE, CM

Bradley Hamilton, PE, CM

Vice President and Director of Aviation

Roger Driskell, PE

Roger Driskell, PE

Vice President and Director of Surface Transportation

Raed Armouti, PE

Raed Armouti, PE

Vice President and Director of Water Resources

Steve Schroll, PE, ENV SP

Steve Schroll, PE, ENV SP

Vice President and Director of Civil & Site Services

Kristy Allen

Kristy Allen

Human Resources Director

Christina Crites, PE, ENV SP

Christina Crites, PE, ENV SP

Vice President and Wastewater Group Manager, Springfield, IL

Stan Hansen, PE, PLS

Stan Hansen, PE, PLS

Vice President, Springfield, IL Office Manager/Surface Transportation Group Manager

Adam Burns, PE

Adam Burns, PE

Director and Surface Transportation Group Manager, Indiana

Michael Doerfler, PE

Michael Doerfler, PE

Aviation Services Adviser

Bruce Jacobson

Bruce Jacobson

Senior Vice President and Aviation Consultant

Greg Heaton, PE, CM, AICP

Greg Heaton, PE, CM, AICP

Vice President, Ohio Regional Manager and Indiana Regional Aviation Manager

Kevin Nelson, PE

Kevin Nelson, PE

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

Eric Hansen, PE, CSM

Eric Hansen, PE, CSM

Vice President and Peoria, IL Office Manager

Doug Gregory, CM

Doug Gregory, CM

Aviation Planning Group Manager

Dave Burkum, CPA, CMA, CGMA

Dave Burkum, CPA, CMA, CGMA

Vice President and Chief Financial Officer

Warren Knoles, PE, AVS

Warren Knoles, PE, AVS

Senior Consultant and Principal Value Management Associate

Stephen Prange, PE

Stephen Prange, PE

Springfield, MO Office Manager and Rail Services Leader

Laura Sakach, PE, AICP

Laura Sakach, PE, AICP

Environmental Project Manager and Office Manager, LaBelle, FL

Kevin Fuller, PE

Kevin Fuller, PE

Surface Transportation Group and St. Louis, MO Office Manager

Scott Knebel, PE

Scott Knebel, PE

Surface Transportation Group Manager, Ohio

Ty Sander, PE

Ty Sander, PE

Aviation Group Manager, Missouri

Richard Thuma, PE, ENV SP

Richard Thuma, PE, ENV SP

Military and Special Projects Group Manager

Randall Vogel, PE

Randall Vogel, PE

Aviation Group Manager, Springfield, IL

Dan Pape, PE

Dan Pape, PE

Aviation Group Manager, Chicago, IL Region

Mike Reiter, PE

Mike Reiter, PE

Aviation Group Manager, Southeast Region

Matthew Demos, PE

Matthew Demos, PE

Chicago, IL Office Manager and Aviation Engineer

Theresa O’Grady, PE

Theresa O’Grady, PE

Water Resources Group Manager, Aurora, IL

Scott Knight, PE

Scott Knight, PE

Water Resources Group Manager, St. Louis, MO

Ty Besalke, PE, ENV SP

Ty Besalke, PE, ENV SP

Water Group Manager, Springfield, IL

Christopher Stritzel, PE

Christopher Stritzel, PE

Civil & Site Services Group Manager, Springfield, IL

Dennis Denby, PE, Assoc. DBIA

Dennis Denby, PE, Assoc. DBIA

Civil & Site Group Manager, St. Louis, MO

Heather Lacey, PMP

Heather Lacey, PMP

Environmental Services Group Manager

Asad Bajwa, PE

Asad Bajwa, PE

Chief Electrical Engineer

George Cain, AIA

George Cain, AIA

Chief Architect

David Earles, PLS

David Earles, PLS

Chief of Surveys

Sherry L. Grable, CPA

Sherry L. Grable, CPA

Controller

Angie Koester

Angie Koester

Human Resource Manager