John D. Landis has been a DCRP faculty member since 1987. He served as DCRP chair from 2002 through 2005. His current research focuses on modeling and simulating urban growth at the local, metropolitan, regional, and national levels; on the impacts of urban development on the natural environment; on the potential for expanding infill housing construction; and on affordable housing policy and development in the U.S. and abroad. Past work has focused on land use regulation and housing costs, and on the effects of transportation improvements on land use patterns and property values. Professor Landis received his PhD from DCRP in 1983. Before joining the DCRP faculty, he taught at the University of Rhode Island (1983-84) and Georgia Tech (1985-86). Professor Landis is a member of the American Planning Association and the Urban Land Institute, and was a ULI Fellow from 1992 through 2000. He is a member of the Governing Board of the Association of Collegiate Schools of Planning (ACSP) and the editorial review board of the Journal of the American Planning Association.