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Roger Lindgren is professor and chair of civil engineering at the Oregon Institute of Technology. He received his BS in civil engineering from the University of Alberta and his Ph.D. in civil engineering from Portland State University. Dr. Lindgren joined the faculty at Oregon Tech in 1999 and teaches both undergraduate and graduate courses in transportation engineering as well as lower-division courses in engineering fundamentals. In 2015 he was named Outstanding Transportation Educator by the Institute of Transportation Engineers, Western District. His research interests include traffic flow theory, intelligent transportation systems (ITS), microscopic simulation of urban and rural traffic, as well as pavement design and construction.

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.

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