John Harrison
John Harrison first joined the firm in 1983 and has managed major transit and rail projects in New Jersey, Boston, Minneapolis, Denver, Sacramento and Seattle. He has been the project manager and design manager on the Sound Transit I-90 Track Bridge System & Prototype Project since its inception in 2011 (except for a two-year hiatus when he retired briefly in 2014-2015). He returned to work part-time in April 2016 to help complete the design and provide design support services during construction.