Justin B. Hollander, PhD, is a Professor of Urban and Environmental Policy and Planning at Tufts University. He is an internationally renowned expert on the planning and design of human settlements, having written eight books and over 50 journal articles, book chapters, and essays on these topics. At Tufts, Prof. Hollander leads the Urban Mars Project and teaches graduate courses on the history of urbanization and early colonization, as well as the theories of community design.

Prof. Hollander is a frequent speaker, having appeared on both TV and radio - C-SPAN's Washington Journal and the Diane Ream Show on NPR. He is also regularly called upon as an expert for a variety of media sources on urban planning and design issues, including The New York Times, the Los Angeles Times, TIME Magazine, USA Today, Crain's New York Business, and the Las Vegas Sun.

He was recently inducted as a Fellow of the American Institute of Certified Planners and hosts the Apple podcast "Cognitive Urbanism".