Justin Hollander, PhD, is an associate professor of Urban and Environmental Policy and Planning at Tufts University. He is an emerging leader in studying the intersection between cognitive science and the design of cities. Most recently, he co-authored Cognitive Architecture: Designing for How We Respond to the Built Environment (Routledge, 2015) with Ann Sussman and is the author of three other books on urban design and planning. Dr. Hollander also directs the award-winning Open Neighborhood Project, an initiative to enhance the role of citizens in the physical design of their communities.