Our Team at Portland State University
TREC STAFF
Jennifer Dill, Ph.D.
Director
Professor, Nohad A. Toulan School of Urban Studies and Planning
503-725-5173 | jdill@pdx.edu
https://jenniferdill.net/
Twitter | TREC Researcher Profile
Professor Jennifer Dill researches transportation decision-making processes and how those can inform policy and planning. Her recent projects focus on travel behavior, bicycling, shared mobility, transit-oriented developments, and health. She teaches courses on planning and research methods, as well as transportation. In addition to her Portland State University faculty role in the Toulan School, she serves as Director of the Transportation Research and Education Center (TREC) at PSU as well as Director of the U.S. DOT funded program National Institute for Transportation and Communities. Dr. Dill values the partnerships between PSU the community, and public agencies, both in her research and teaching. Prior to working at PSU, Dr. Dill held several positions working on air quality and transportation issues in California for governments and nonprofits. See her researcher profile here.
Hau Hagedorn
Associate Director
503-725-2833 | hagedorn@pdx.edu
Twitter | TREC Researcher Profile
Hau is the Associate Director of TREC at Portland State University and is responsible for the day-to-day management, operations and provides overall direction for the TREC's peer-reviewed research and technology transfer programs, and shaping workforce development efforts. She actively participates in national efforts on conducting and implementing research. She also oversees programming and delivery of professional development workshops through the Initiative for Bicycle and Pedestrian Innovation (IBPI). She is co-Chair of the TRB Conduct of Research Committee, Chair of the Oregon Bicycle and Pedestrian Advisory Committee (OBPAC), and member of the Region 1 Area Commission on Transportation (R1ACT). Hau has over 20 years of public and private sector experience in transportation. In her spare time, she runs to escape juggling the busy lives of three active kids.
Lacey Friedly
Communications Coordinator
503-725-8545 | rlacey@pdx.edu
Lacey is the communications coordinator for TREC. She connects with researchers, writes articles, and documents (through pictures, videos, and model towns) the value of the transportation research being done at TREC and through the NITC program. Before TREC, Lacey was the acquisitions editor for Dark Discoveries magazine. She also managed the editing department at Ooligan Press, Portland State University's student-run publishing house. She graduated from PSU in 2013 with a master's in book publishing. In her spare time Lacey enjoys swimming, reading, and making stop-motion animation videos. she/her/hers
Tammy Lee, Ph.D.
Transportation Data Program Administrator
503-725-2884 | leetam@pdx.edu
Tammy is working on a variety of projects for TREC, including documentation, data synthesis, analysis, and visualization supporting ongoing work with PORTAL and Bike-Ped Portal. Tammy received a BS in Genetics & Plant Biology from UC Berkeley before earning a PhD in Environmental and Natural Resource Sciences from WSU. Prior to joining TREC she worked as a data scientist for a political digital media consulting firm. When not working she's either hiding in the forest or experimenting in the kitchen.
John MacArthur
Sustainable Transportation Program Manager
503-725-2866 | jhmacart@pdx.edu
Twitter | TREC Researcher Profile
Mr. MacArthur currently manages a complex Federal Transit Administration (FTA) grant to Develop and Test an Emergency Transportation Recovery Plan for the Portland, Oregon Region. This project requires close coordination and collaboration with a variety of public agency partners including city of Portland emergency management and transportation bureaus in addition to transit and other agencies critical to the region’s emergency transportation recovery efforts. In addition, this project is creating national training program that will be tested in six cities in early 2018. MacArthur is the Principal Investigator for TREC's electric bicycle research initiatives. His research also includes low-/no-emission vehicle infrastructure in Portland metro, as well as a climate change impact assessment for surface transportation in the Pacific Northwest and Alaska. Before joining the TREC staff, John was the Context Sensitive and Sustainable Solutions Program Manager for the Oregon Department of Transportation’s OTIA III State Bridge Delivery Program.
Cait McCusker
Communications Director
Cait joined the TREC team in fall 2017 with an extensive background in event planning and strategic communications for green building policy and design. An avid biker and long-time volunteer with pedestrian advocacy group Oregon Walks, she is excited to tackle the dissemination of the center's progressive portfolio of transportation research on mobility. Storytelling is a critical piece to moving research from the theoretical realm to practical application, and Portland is the perfect transportation landscape for this. She served as the Chair of the 2019 Association of Pedestrian and Bicycle Professionals conference, and is currently the Board Chair of Professional Development for the Portland Chapter of WTS. Off-hours she spends her time with Tomato the Dog, tending to her 82 house plants, or biking around the city.
Theresa is the Office and Events Coordinator for TREC. She supports the day-to-day operations of the office, purchasing and finance tasks, hosting visiting scholars, and event planning for TREC events such as the Friday Transportation Seminars. Theresa has a bachelors in Cultural Anthropology and is working towards a Masters in Rehabilitation Counseling at PSU. Outside of work and school, she enjoys playing fetch with her cat, handbuilding ceramics, cooking, gardening, and bicycling.

Brendan is responsible for TREC’s day-to-day research project management and metrics tracking from inception to close-out. Also, he administers the competitive, peer-reviewed, project selection process including the annual Request for Proposal, Pooled Fund, small starts, and dissertation fellowships. Prior to this, he provided financial management and project coordination for Oregon State University’s Precollege Programs. Brendan enjoys playing soccer, going on long bike rides, traveling to other countries, or, most often, making pizza.
GRADUATE RESEARCH ASSISTANTS (2019-20)





