1965, BA, Harvard; 1974, PhD, Boston College. Since 1972, with Wharton: 1997-2000, Chairperson, Real Estate Department; since 1995, Director, Wharton Geographical Information Systems Lab; since 2003, Richard B. Worley Professor of Financial Management. Concurrently, positions with the University of Pennsylvania: since 1995, Professor of City and Regional Planning; since 2004, Co-Director, Penn Institute for Urban Research. 2004, Celia Moh Visiting Professor, Singapore Management University. Former appointment with Bryn Mawr College.