If someone handed you the keys to the city – what would you do first? Both Dan Doctoroff and Steve Koch, former deputy mayors of New York and Chicago respectively, used their proverbial keys to redevelop and revitalize their cities.  Handpicked by their mayors and without previous government experience - both brought a business lens to the task of driving reinvestment during critical times, achieving some big wins and suffering a few defeats along the way. As cities compete for corporate headquarters, skilled labor, foreign direct investment, and even residents – how can they also work together to elevate the quality of urban life? How do cities ensure progress reaches all of their neighborhoods and residents?