After graduating from Waseda University, he worked at Nomura Research Institute and then joined the founding of Sports Navi.
He later served as Director and Managing Executive Officer (HR and Corporate) at Yahoo Japan.
A leading authority on organization development and talent strategy, he is active across a wide range of fields, particularly 1-on-1 communication and corporate transformation.

Major books
"Yahoo's 1on1: Communication Techniques That Help Subordinates Grow" (Diamond, Inc., 2017)
"Companies Are Full of Dilemmas" (Diamond, Inc., 2018)
"90% of Overtime Is Unnecessary" (Kobunsha Shinsho, 2016)