
Jason Wilen, AIA, NCARB, CDT, RRO, is an architect and building enclosure specialist with over 30 years of experience. Wilen provides leadership and project management for K&H's roof system and waterproofing rehabilitation projects, participates with enclosure commissioning efforts, and provides litigation support and consulting for building and energy code development.
Before joining K&H, Wilen served for seven years as a director with the technical services section of the National Roofing Contractors Association and 18 years with architectural, forensic and roof consulting firms. He holds a Bachelor of Architecture degree from the Illinois Institute of Technology, Chicago; he is a licensed architect in Illinois.
Additionally, Wilen has been or is a member of ASTM Committees D08, C16 and E60, IIBEC, and has authored over 25 feature articles for local and national trade journals and magazines. In 2022, he was awarded IIBEC’s Richard M. Horowtiz Award, honoring the best technical article published in its technical journal, Interface.