Shannon Mattern is a columnist for Places. She is Associate Professor in the School of Media Studies at The New School in New York.
David Heymann is a columnist for Places. He is an architect, and the Harwell Hamilton Harris Regents Professor in Architecture at the University of Texas, Austin.
Belmont Freeman is a columnist for Places. He is principal of Belmont Freeman Architects, an award-winning design firm in New York City.