
Aug. 5, 2026
Hanson promotes five to chief positions
Hanson Professional Services Inc. recently promoted five employees to chief discipline positions. In these roles, they will lead their technical discipline groups as well as collaborate with clients.
- Calvin Austiff, P.E., S.E., St. Louis office, chief building structural engineer
- Lee Bloome, P.E., Springfield, Illinois, headquarters, chief water/wastewater engineer
- Shawn Gibbs, Springfield headquarters, chief environmental scientist
- Erik Koning, P.E., Springfield headquarters, electrical technical discipline chief
- Garrett Litteken, P.E., Springfield headquarters, chief water resources engineer
Hanson is a national, employee-owned consulting firm providing engineering, planning and allied services. The firm’s corporate headquarters is located at 1525 S. Sixth St., Springfield, IL 62703. The office may be reached by phone at (217) 788-2450.