PPMS Page | TREC

Researcher Directory

42 Results

David Yang

Portland State University

yang26@pdx.edu

5037252870

Marisa Zapata

Portland State University

mazapata@pdx.edu

2177211024

‹ Previous Page 3 of 3

Featured Researchers

Portland State University

Dr. Arash Khosravifar joined the Geotechnical Engineering group in Civil and Environmental Engineering Department at Portland State University (PSU) in December 2015. Prior to joining PSU, he worked for Fugro Consultants Inc. in California where he worked on seismic hazard studies for transportation projects (bridges) and energy developments (oil and gas, wind turbines). He obtained his Ph.D degree from University of California, Davis where he conducted research on analysis and design of piles in liquefied soils.

Liu-Qin Yang

Department of Psychology

Portland State University

Dr. Liu-Qin Yang is an Associate Professor at Portland State University. She received her Ph.D. in Industrial and Organizational Psychology from the University of South Florida, with emphases on occupational health psychology and quantitative methodology. She holds a Bachelor of Sciences degree in Psychology, a Bachelor of Arts degree in English Language and Literature, and a Master of Arts degree in Industrial and Organizational Psychology, all from Beijing Normal University, China. Dr. Yang also has applied experiences in working with the public and private sectors in China and the U.S.

Researcher Directory

David Yang

Marisa Zapata

© 2025 | Transportation Research and Education Center | 503-725-8545 | asktrec@pdx.edu