He received the Dr. Eng. Degree in building structural engineering from the University of Tokyo in 2004. His Ph.D. thesis is "Evaluation method of ultimate seismic performance on steel building structures". From 2004 to 2009, he was in the University of Tokyo as research associate. Since 2009, he stayed in Tokyo University of Science. His research interests are building structures (steel, wooden structures), experimental methodology, and numerical simulation. He has published 42 papers, 57 proceedings, and other papers or reports. He received some paper awards of Architectural Institute of Japan or Japan Society of Steel Construction in 2003, 2004, and 2006. He can be contacted at t-ito@rs.kagu.tus.ac.jp