City Administration

The mission of the City Administration Office is to provide leadership and support to citizens, city departments, the Mayor and City Council by assessing their needs, providing direction, coordinating activities, and articulating and channeling information in a manner that is customer friendly and will most effectively provide guidance for decision-making.

Mark Koenen

City Administrator

Mark KoenenMark W. Koenen is City Administrator for the City of St. Charles. Prior to his appointment as City Administrator, Koenen served as the Director of Public Works at the City for 23 years. He has lived in St. Charles for 30 years and raised three children here. Koenen  holds a Bachelor of Science in Civil Engineering from the University of Wisconsin-Platteville and a Master of Business Administration from Aurora University. In 2012, he was awarded the Life Membership status to the American Public Works Association.

Before joining the City, he practiced civil engineering at a private consulting firm.

General contact info

City Administrator’s Office
2 E. Main Street
St. Charles, IL 60174
cao@stcharlesil.gov
(630) 377-4422

Contacts