COS meetings take place at the Gleacher Center, the University of Chicago's business school conference center in downtown Chicago. It is located at 450 Cityfront Plaza Drive on the Chicago River west of Columbus Drive. The NBC Tower is immediately adjacent to the Gleacher Center.
Discounted parking for only five dollars is available in the NBC Tower parking garage. Access to the self-park garage is from lower Illinois Street, St. Clair and Kinzie (below Cityfront Plaza). A validation machine for the NBC Tower discount is located in the lobby of the Gleacher Center.