He also heads BUILT@NYU, the Behavioral Urban Informatics, Logistics, and Transport Laboratory. His research expertise lies in transportation systems, with emphasis on multimodal networks, behavioral urban logistics, smart cities, and transport economics. He is the elected Vice Chair of the Urban Transportation SIG at INFORMS Transportation Science & Logistics Society, and an appointed member of TRB's Editorial Board for the Committee on Transportation Network Modeling. He has been published in many journals, including Elsevier's Transportation Research Part C: Emerging Technologies, Transportation Research Part B: Methodological, Transportation Research Part E: Logistics and Transportation Review, Transportation Research Part A: Policy and Practice, and Journal of Transport Geography