Michael W. Mehaffy, Ph.D., is a researcher, author, educator, planner, designer, and builder who has held appointments in architecture, planning, and philosophy at seven graduate institutions in six countries. He is on the editorial boards of four international journals of urban planning and design. He has consulted governments, businesses, and NGOs, most recently to UN-Habitat, in the development of the New Urban Agenda. He holds a Ph.D. in architecture and urban design from Delft University of Technology in The Netherlands.