Patrick A. Hahn
Professional Engineer, Decatur office Education & Background Bachelor of Science in Civil Engineering from University of Illinois, Urbana-Champaign, 2008 Licensed Professional Engineer in Illinois Joined… Read More »Patrick A. Hahn
University of Illinois Urbana-Champaign
Christopher S. Shaffer
Principal-in-Charge of Mechanical, Electrical and Plumbing Engineering Services, Decatur Office Education & Background Bachelor of Science in Agricultural Engineering, University of Illinois, Urbana-Champaign, 1996 Master… Read More »Christopher S. Shaffer