Colin Duffy joined the City of Shawnee as the Assistant City Manager in December 2022. Before joining the City, he worked as a Senior Management Analyst. Colin earned a Bachelor's Degree in Political Science and Psychology and holds a Master's Degree in Public Administration, all from Wichita State.

Colin enjoys working on special events and other run projects for the City. In his free time, he enjoys cooking, running, and board games. 

Chelsee Chism  joined the City of Shawnee as the Assistant City Manager in September 2023. Before joining the City, she brings more than 10 years of experience from the City of Overland Park, Kansas, serving five years in the City Manager’s office.

During her tenure with Johnson County’s largest city, Chism supervised the City’s Facilities and Sustainability Divisions, coordinated State and Federal Legislative Programs, Performance Measurement, and various special projects, and served as the City Manager Office liaison to the Public Works Department.

Chelsee has a Master of Public Administration from Wichita State University with an emphasis in City and County Management and Economic Development. She received her undergrad degree from Kansas State.