John I. "Hans" Gilderbloom is a Dutch American community organizer, academic, author, and researcher. He works as an international consultant on creating livable neighborhoods and cities, owns a real estate company that renovates historic housing, and is a professor of urban and public affairs at the University of Louisville. In 2014 he was nominated as a Fellow of the Scholars Strategy Network housed at Harvard University. He has been ranked as one of the "top 100 urban thinkers in the world."