Jack Stack, president and CEO of SRC Holdings and author of “The Great Game of Business,” will speak at the annual Central Iowa Business Conference on Sept. 17 at the Holiday Inn Des Moines Airport Conference Center. Stack will be joined by other keynote speakers Henry Winkler and Justin Patton. The Central Iowa Business Conference is a full-day event for executive leadership teams, business owners, investors and community leaders. Tickets can be purchased through the Urbandale Chamber of Commerce or online.