Dr Chen is a senior engineer specializing in the field of pavement and construction materials engineering. He led several research projects for New Mexico, Iowa, and California Department of Transportation. Dr Chen’s work has led to publications in prestigious journals and conferences. He also serves as committee member and referee for multiple peer-reviewed journals and international conferences. Dr Chen performs extensive research on epoxy-modified asphalt, design of ultra-high strength concrete (UHPC), and bridge pavement material monitoring and evaluation. He has research collaboration with the National Center for Asphalt Technology, FHWA Fairbank Highway Research Center, New Zealand Transport Agency, and other research institutes in China.