Dongho Chang is the City Traffic Engineer for Seattle. He has worked over 25 years in the transportation engineering field focused on improving safety and mobility for all travel modes. Dongho has worked as the Traffic Engineer for City of Everett and Area Engineer for Washington State Department of Transportation where he was responsible for traffic signals group, traffic analysis and channelization review, and traffic safety program. Dongho is active with Institute of Transportation Engineers and NACTO. Dongho drove a Zamboni during high school, which he considers as his “coolest” job ever!