Gary Clack, P.E., S.E.

Headshot of Gary Clack smilling in gray button-down shirt and black suit jacket

Gary Clack joined Hanson in 1990 and serves the company as an assistant vice president, project manager and structural engineer. His broad scope of experience includes providing project management, performing structural capacity analyses, designing buildings and bridges and conducting hydraulic studies for bridge structures, as well as preparing detailed cost estimates, contract documents, fracture critical inspection reports and construction documents for strengthening facilities in accordance with proposed loading increases.

Over the course of his career, Gary has served as a project manager for structural engineering services that Hanson provided for a 240,000-square-foot addition to Memorial Medical Center in Springfield, Illinois; project manager for design of a parking garage, site improvements for a medical office building, a pedestrian connector bridge and surface parking improvements at St. John’s Hospital in Springfield; structural and site designer for the central chilled water system at the University of Illinois at Urbana-Champaign; construction-phase project manager for a 62,000-square-foot aircraft paint facility at Springfield’s Abraham Lincoln Capital Airport; and managing structural engineer for the 63,000-square-foot Simmons Cancer Institute at the Southern Illinois University School of Medicine in Springfield. He also assisted with designing braced excavation systems for the Washington Metropolitan Area Transit Authority in Washington, D.C., and has designed foundation systems for numerous single-story office and light-commercial facilities in central Illinois, among many other projects.

Gary manages a team of structural, mechanical and electrical engineers and technicians who perform design- and construction-phase services for buildings and facilities projects. His background also includes project management and coordination of multidiscipline teams for dam rehabilitation, flood control, navigation and military facility projects.

Professional Engineer: Georgia, Illinois, Mississippi, Missouri, New Hampshire, Rhode Island, Utah

Structural Engineer: Illinois, Rhode Island
National Council of Examiners Engineering and Surveying

University of Illinois at Urbana-Champaign: Bachelor’s degree, civil engineering