Atsushi Takayasu is an Assistant Professor in the University of Tokyo, a Collaborative Researcher in National Institute of Advanced Industrial Science and Technology (AIST). He received his MS and Ph.D. in complexity science and engineering from the University of Tokyo in Japan in 2014 and 2017. He was a JSPS Research Fellow in his Ph.D. course. His research interests are in the area of cryptography and information security. His specialized research topics include lattice-based cryptanalysis. He received the Best Student Paper Award in ACISP 2016.