Frank G. Matero is Professor of Architecture and Chair of the Graduate Program in Historic Preservation at the School of Design at the University of Pennsylvania. He is Director and founder of the Architectural Conservation Laboratory and a member of the Graduate Group in the Department of Art History and Research Associate of the University Museum of Archaeology and Anthropology. He was previously on faculty at the Graduate School of Architecture, Planning, and Preservation of Columbia University and guest lecturer at the International Center for the Study of Preservation and the Restoration of Cultural Property (ICCROM) in Rome. He received his graduate education in architecture and preservation at Columbia University and in fine arts conservation at the Institute of Fine Arts, New York University. He is a Professional Associate of the American Institute for Conservation of Historic and Artistic Works and former Co-chair of the Research and Technical Studies Group and on editorial boards of The Getty Conservation Institute and the Journal of Architectural Conservation. He is founder and editor-in-chief of Change Over Time, an international journal on conservation and the built environment published by Penn Press.