His research interests include transportation systems analysis and service operations problems. His research has been supported by various organizations including the National Science Foundation, the U.S. Department of Transportation, and Canadian Embassy. He received a PhD in Industrial Engineering in 2008 and an M.S. in Industrial Engineering and Operations Research in 2005, both from the Pennsylvania State University. He also received a B.S. in Mechanical Engineering from KAIST in 2000. He received an NSF CAREER award in 2014. Before he joined the University of South Florida, he has been with the University at Buffalo, where he received the UB Exceptional Scholar: Young Investigator Award in 2015.