Yasushi Ikei graduated from the Graduate School of Engineering, The University of Tokyo with a PhD degree in the industrial mechanical engineering in 1988. He joined Tokyo Metropolitan Institute of Technology in 1992. He is currently Professor at the department of computer science, Tokyo Metropolitan University. His research interests are in the virtual reality, ultra reality, telepresence, multisensory display, and cognitive engineering. He received paper awards and contribution award from the Virtual Reality Society of Japan (VRSJ). He gained innovative technologies awards from METI Japan and DCAJ in 2012,2017,2018. He is former vice president and fellow member of the VRSJ.