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. Martin Swobodzinski is an associate professor of geography specializing in spatial cognition and geographic information science at Portland State University.

Portland State University

John MacArthur is the Sustainable Transportation Program Manager at TREC at Portland State University and an instructor in civil and environmental engineering, teaching on new & emerging technologies in transportation. He is active in research related to sustainable and equitable transportation, particularly in the areas of emerging tech such as e-bikes, bike share, transit, and the relationship between transportation and public health. Mr. MacArthur is the Section Chair for Transportation Research Board’s AME00 Transportation and Society and a member of Innovative Public Transportation Services and Technologies (AP020). He received his BS in Civil Engineering from Lehigh University and a MS in Environmental Health Sciences from the School of Public Health at the University of Michigan.

Researcher Directory

David Yang

Marisa Zapata

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