Meet our current 2025 - 2026 Portland State University students working as research assistants for TREC staff and researchers. See past graduate research assistants (GRAs) here, as well as our PSU transportation scholars and fellows.

Pujitha GaliPujitha Gali 
Advisor: Tammy Lee 
LinkedIn

Pujitha is a graduate student in Computer Science at Portland State University with a background in Interaction Design. She's interested in the intersection of design and front end development, especially when it comes to building tools that make data more accessible and meaningful. She's working with advisor Tammy Lee on transportation data and website-related tasks. She is excited to be part of the TREC team!

 
Jiahui Ma
Advisors: Jennifer Dill and Nathan McNeil
LinkedIn

Jiahui is a Ph.D. student in urban planning at the Nohad A. Toulan School of Urban Studies and Planning. She is currently supporting Jennifer Dill and Nathan McNeil on the Evaluation of Road User Comprehension and Compliance with Red Colored Transit Priority Lanes as well analyzing data from the Breaking Barriers to Bike Share project. 

Elijah Whitman-Powell 
Advisor: Tammy Lee

Xinhao Zhang 
Advisor: Tammy Lee