He received his Ph.D from Tohoku University. He then has spent 1 year in Kyoto University (in the disaster management field), 4 years in Kobe University (in the traffic engineering field), 4 years in the University of Electro-Communications (in the information science and mechanism design field), before he returned to Tohoku University at 2012, right after the Great East Japan Earthquake. His research interests are in traffic engineering, analyses and management of urban road network, pre- and post- disaster management, mechanism design / auction theory, stochastic control and financial engineering.