Age: 46
Occupation: CEO and executive director of the Illinois Medical District

Think of McKinney as the mayor of a city within the city. Encompassing an area the size of 425 football fields on the Near West Side, the IMD — which includes four major hospitals — is the country’s second-largest urban medical district. McKinney is focusing on fostering increased collaboration among the hospitals and researchers in the district to secure the IMD’s role as a national hub of medical innovation.