Research Affiliates

Susan Weaver

Susan Weaver is an urban economist and planner based in Ojai, CA. She holds both a Master of Planning degree and a M.A. in Economics from the University of Southern California. Over the last fifteen years, she has conducted socioeconomic and fiscal impact analyses of a broad range of development projects throughout California. She also has extensive experience in research and policy analysis of land use and housing, government finance, and air quality regulation, and has worked on these issues at the local, regional, and state levels. Susan previously served as President and Executive Director of the Kern Transportation Foundation. Prior to becoming a consultant, she worked in Kern County government. Susan is a former member of the Bakersfield City Planning Commission and currently serves on the Ojai Redevelopment Commission.

Mai Thi Nguyen

Mai Thi Nguyen is an Assistant Professor in the Urban Studies Program at San Francisco State University. She received her Ph.D. in Urban and Regional Planning from the University of California, Irvine and her Master's degree in Sociology at The Pennsylvania State University. Her research has focused on topics including: ballot-box planning, growth management, sprawl, the relationship between affordable housing and property values, the residential mobility of Section 8 recipients, racial residential segregation, and residential preferences of minorities.

Marlon G. Boarnet

Marlon G. Boarnet is a Professor of Planning, Policy, and Design and Economics and a faculty research associate of the Institute of Transportation Studies at the University of California, Irvine. His articles have appeared in refereed journals that include the Journal of the American Planning Association, the Journal of Planning Education and Research, the Journal of Urban Economics, the Journal of Regional Science, Urban Studies, Transportation Research, and Papers in Regional Science. Boarnet's co-authored book (with Randall Crane), Travel by Design: The Influence of Urban Form on Travel (Oxford University Press, 2001) is a comprehensive assessment of the modeling and policy challenges inherent in linking urban design to transportation planning. Boarnet is co-editor of the Journal of Regional Science, an associate editor of Journal of the American Planning Association, and serves on the editorial boards of the Journal of Planning Literature and Papers in Regional Science. Boarnet was guest editor of the Winter, 2006 special issue of the Journal of the American Planning Association on the topic of planning and public health.

Mariela Alfonzo

Mariela Alfonzo is an urban design consultant and researcher. She has a Ph.D. in Urban and Regional Planning with an emphasis in Urban Design and Behavior from the University of California, Irvine. She is currently a Post Doctoral Fellow at Virginia Tech, in Alexandria, in the Department of Urban Affairs and Planning and working closely with the Metropolitan Institute. Dr. Alfonzo is an expert on commercial and mixed-use redevelopment, sense of community, and walkability. Her research and consulting work focuses the links between design, community, and quality of life. Over the past three years, she conducted an extensive study of three formerly failing malls that were converted into mixed-use neighborhoods. Dr. Alfonzo has also used her expertise in retail to assist Solimar in crafting economic development strategies, most recently for Lawndale, California.

Roxanne Ezzet-Lofstrom

Roxanne Ezzet-Lofstrom is an Assistant Professor of Geography and Public Policy at the University of Texas at Dallas. She received her Ph.D. in Urban and Regional Planning from the University of California, Irvine, her Master's degree in Applied Sociology from San Diego State University, and bachelor degrees in Economics and Applied Mathematics from the University of California, San Diego. Dr. Ezzet-Lofstrom's research focuses on topics including the relationship between low-income housing and property values, how amenities affect wages and property values, and how urban growth affects quality-of-life and inter-metropolitan migration.