Jen MacFarlane
![](https://westerntransportationinstitute.org/wp-content/uploads/2022/10/Jen-MacFarlane-portrait-698x1024.jpg)
Matthew Madsen
![Portrait of Matthew Madsen](https://westerntransportationinstitute.org/wp-content/uploads/2023/07/20230719-NRH-1004-Matt_Madsen-qe3x4-683x1024.jpg)
Matt Madsen joined WTI in 2019 as a Technical Research Associate. He joined the Mobility and Public Transportation program area and has taken on bike/pedestrian technical assistance as well as the pop-up neighborhood traffic calming program. After receiving his undergraduate degree in social work at the University of Wisconsin-Oshkosh and his masters from the Colorado […]
Kirsten Matteson
Carolyn Marx
Dana May
![Portrait, Dana May](https://westerntransportationinstitute.org/wp-content/uploads/2024/02/Portrait_Dana_May_20200928-NRH-1003-iPX-1024x1024.jpg)
Steve Perkins
Steven is a Professor of Civil Engineering at Montana State University where he teaches and conducts research in the areas of geotechnical and pavement engineering. Dr. Perkins has been involved in the preparation of several synthesis reports for NCHRP and AASHTO on research and practice of geosynthetics in pavements. He has also helped develop and […]
Kathryn Plymesser
![Portrait: Dt. Katey Plymesser](https://westerntransportationinstitute.org/wp-content/uploads/2024/02/image15.jpg)
Dr. Katey Plymesser is an Assistant Professor of Civil Engineering at Montana State University, and a research collaborator at WTI. Her research interests include Fish Passage Engineering, Ecohydraulics, and Computational Fluid Dynamics. More information about her academic and research activities is available on her MSU College of Engineering faculty webpage.
Anna Claire Price
![](https://westerntransportationinstitute.org/wp-content/uploads/2022/09/Anna-Price-Portrait-768x1024.jpg)
Jaime Sullivan
![](https://westerntransportationinstitute.org/wp-content/uploads/2022/12/Jaime_Sullivan_2022_11_resized-1024x819.jpg)
Jaime Sullivan is a WTI Research Engineer with 17 years of experience. Her focus is in applied rural safety and operations research for Departments of Transportation (DOTs) and Public Lands such as the National Park Service. She currently serves as the Center Manager and a technical liaison for the National Center for Rural Road Safety […]
Jerry Stephens
Jerry Stephens served as a Professor of Civil Engineering at Montana State University. He also conducted frequent research with WTI in structural engineering, and served as the WTI Research Director. Dr. Stephens is retired. Please see contact information below for inquiries related to infrastructure research at WTI. Thank you.