Motoko Kotani bụ onye osote onye isi oche maka nyocha, Mahadum Tohoku, Japan. Mmasị ya abụrụla na mgbakọ na mwepụ (nyocha geometric), metụtara physics mgbakọ na mwepụ. Enyere ya ihe nrite Saruhashi nke iri abụọ na ise maka “Study of crystal lattice via discrete geometric analysis” na 25. Mgbe ọ na-arụ ọrụ na mgbakọ na mwepụ dị ọcha, ọ na-arụsi ọrụ ike na nkwurịta okwu na ndị na-eme nchọpụta na ngalaba sayensị ndị ọzọ. Ọ duru ọtụtụ nnukwu ọrụ nyocha na-ejikọta mgbakọ na mwepụ na sayensị ihe. Dabere na ahụmịhe ya na ihe ọ rụpụtara ma na nyocha na njikwa, a họpụtara ya dị ka onye isi ụlọ ọrụ Advanced Institute for Materials Research, Mahadum Tohoku na 2005, ụlọ ọrụ nwere ndị nyocha 2012, nke izizi hiwere n'okpuru mmemme mba “World Premier International Research Center Initiative” n'afọ 200.
Kotani nwere / jikwaa ọnọdụ ndị a:
Onyinye mmekọrịta ya dị iche iche: Onye isi oche, Council of Science, Technology and Innovation, Cabinet Office, Japan (2014-) / Member, Board of Governors, Okinawa Institute of Science and Technology School Corporation (2014-) / President of the Mathematical Society nke Japan (2015-2016), onye otu bọọdụ (2008-2019) / Onye otu kọmitii ndụmọdụ nke ọtụtụ ụlọ ọrụ nyocha mba (dị ka National Institute of Advanced Industrial Science and Technology, National Institute of Informatics, National Institute of Information and Communications Technology, National Institute for Materials Science), RIKEN
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