STEPHEN MATTINGLY is a Professor in Civil Engineering at the University of Texas at Arlington (UTA). He completed his B.S. in civil engineering in 1991 at Rice University and his MS at UTA in 1994. He completed his Ph.D. in 2000 from the University of California, Irvine. Dr. Mattingly is the Director of the Center for Transportation Studies at UTA and serves on the Executive Committees for both the National Institute for Transportation and Communities and is the Associate Director of Research for the Center for Transportation Equity, Decisions, and Dollars. He has held previous positions at the University of Alaska-Fairbanks (UAF) and the University of Southern California.

He has authored more than 100 technical papers, conference proceedings, research reports, and book chapters. While at UAF (2000-2002), he served as the PI or co-PI on six projects. Since joining UTA, he has served as the PI and co-PI on over fifty-five projects including over twenty federal awards and fifteen state Department of Transportation (DOT) projects. His most recent research projects address a variety of interdisciplinary topics including transportation equity, transportation mobility for the transportation disadvantaged, developing an app for crowd-sourcing bicycle and pedestrian conflict data, transportation public health performance measures, data fusion of bicycle count data, nudging older adults to increase physical activity, and the development of planning and transit performance measures for access to opportunities.

He is a past or current member of three Transportation Research Board (TRB) committees and a friend of numerous TRB committees.