Mr. Callison joined the firm in 2010. He was named Principal of our Civil Division at that time. He has more than 14 years’ experience in civil engineering and site design services. He has managed, designed, and compiled construction documents and specifications for the civil portion of projects for multiple types of projects, which include: retail, office, healthcare, education, municipal, transportation and subdivision. Mr. Callison has compiled a solid list of diverse, design intensive projects that show the capability of the firm.