Faculty/Lead Researcher

Dr. Pei (Peggy) Wang has been an assistant research engineer at the California PATH program since June 2017. She received her Ph.D. in Human Factors and Ergonomics from Tsinghua University, and formerly worked at General Motors China R&D as an HMI researcher. She has been involved with research in cross-cultural studies of in-vehicle speech systems, data analytic studies for Apple Carplay usage, and driving styles studies for automated vehicles. Since her role began, she has led the human-factors team in PATH while conducting research projects funded by Caltrans, SB-1, and industrial...

Catherine Wolfram is the Cora Jane Flood Professor of Business Administration at the Haas School of Business. She also serves as Associate Dean for Academic Affairs and Chair of the Faculty. She is the Program Director of the National Bureau of Economic Research’s Environment and Energy Economics Program, and an affiliated faculty member in the Agriculture and Resource Economics department and the Energy and Resources Group at Berkeley.
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Wolfram has published extensively on the economics of energy markets. Her work has analyzed rural electrification programs in the developing world...

Chiwei Yan received his Ph.D. from the Operations Research Center at MIT and his BS in Industrial Engineering from Tsinghua University. Before joining Berkeley IEOR, he taught at the University of Washington Seattle and was a senior data scientist in the marketplace group at Uber where he designed the rider surge pricing algorithm.
His research centers around transportation and logistics systems, with a recent focus on emerging problems in online platforms. He also has a particular interest in air transportation systems. His work aims to study fundamental properties...

WEI-BIN ZHANG is a Research Engineer at the California PATH Program, Institute of Transportation Studies of University of California at Berkeley (UCB). Mr. Zhang received advanced degrees in communication and control engineering from Northern Jiaotong University, where he has extensive training in safety design and safety verification for railway control system. Between 1982 and 1987, Mr. Zhang was a Lecturer at Northern Jiaotong University and taught railway interlocking and blocking systems and was involved in earlier development of railway computer control systems. Both his teaching and...