Hiroshi Esaki has worked at the Research & Development Center, Toshiba Corporation. He has also served as a researcher at Bellcore, Inc. (USA) and at the Center for Telecommunication Research (Columbia University). His work led to the origin of “Multi-Protocol Label Switching” adopted by the Internet Engineering Task Force and the ATM Forum. Since 2010 he has served as the director of the WIDE Project which has led on several IPv6 research and development projects. He is the executive director of the IPv6 promotion council, which is serves to advise various Japanese government agencies.
He received his B.E. and M.E. degrees from Kyushu University and his Ph.D from The University of Tokyo in 1998.