Brian Welker, PE

Senior Vice President and Chief Operating Officer (COO)

Charles Taylor, PE

Senior Vice President and Director of Strategy

Bradley Hamilton, PE, CM

Vice President and Director of Aviation

Michael Doerfler, PE

Aviation Services Adviser

Bruce Jacobson

Senior Vice President and Aviation Consultant

Greg Heaton, PE, CM, AICP

Vice President, Ohio Regional Manager and Indiana Regional Aviation Manager

Doug Gregory, CM

Aviation Planning Group Manager

Laura Sakach, PE, AICP

Environmental Project Manager and Office Manager, LaBelle, FL

Ty Sander, PE

Aviation Group Manager, Missouri

Richard Thuma, PE, ENV SP

Military and Special Projects Group Manager

Randall Vogel, PE

Aviation Group Manager, Springfield, IL

Dan Pape, PE

Aviation Group Manager, Chicago, IL Region

Mike Reiter, PE

Aviation Group Manager, Southeast Region

Matthew Demos, PE

Chicago, IL Office Manager and Aviation Engineer

Asad Bajwa, PE

Chief Electrical Engineer

Sean Smith

Aviation Project Manager

Melanie Reddick

Aviation Project Manager

Benjamin Cooley, PE

Aviation Project Manager

Russell Mills, PhD

Senior Manager, Aviation Research & Economics

Nicholas Haan

Principal Air Service Development