・Mar. 1998. Bachelor of Letters, Faculty of Letters, the University of Tokyo.
・Mar. 2000. Master of Letters, School of Humanities and Sociology, the University of Tokyo.
・Apr. 2000. JSPS Research Fellow (DC1, until Dec. 2001).
・Apr. 2007. JSPS Research Fellow (PD, until Mar. 2008).
・Dec. 2007. Doctor of Philosophy, Centre for Historical Studies, School of Social Sciences, Jawaharlal Nehru University.
・Apr. 2008. Associate Professor, Institute for Advanced Studies on Asia (formerly Institute of Oriental Culture), the University of Tokyo (until Mar. 2020.
・Mar. 2010. Guest Scholar, Institute for the Languages and Cultures of South Asia, Berlin Free University (until Mar. 2011).
・Apr. 2020. Professor, Institute for Advanced Studies on Asia, the University of Tokyo