Our Team Professionals In Pursuit of Perfection Start a Conversation Our Principals CEO & Principal EngineerRay Thornton, PE, LEED, MS Principal ArchitectDavid Mayer, AIA Director of EngineeringShawn Slyter, PE, LEED CEO & Principal EngineerRay Thornton, PE, LEED, MS Principal ArchitectDavid Mayer, AIA Director of EngineeringShawn Slyter, PE, LEED Office Locations