Klepper, Hahn & Hyatt has added Jon Pence to its staff. He is a structural-engineering designer with one year of experience. Pence, who has the engineer-in-training (EIT) certification & license, studied at Onondaga Community College before enrolling at Syracuse University and graduating with a bachelor’s degree in civil engineering. Klepper, Hahn & Hyatt is a design firm specializing in civil and structural engineering, landscape architecture, and building-envelope systems. It has an office at 5710 Commons Park in the town of DeWitt.