After graduating from technical high school, he joined Japan Radio Co., Ltd. and worked in hardware quality control. He then enrolled in the evening program at the University of Electro-Communications, specializing in software quality assurance and testing, and completed his doctoral studies. After earning his Ph.D., he joined Hitachi, Ltd. in 2011, starting his career as a software QA engineer. He subsequently joined DeNA in 2017, Mercari in 2021, and Knowledgework in 2023, serving as a QA engineer at each organization. At Knowledgework, while handling QA duties as part of the product team, he also leads organizational operations as the head of the QA Guild, a virtual QA organization.
Ph.D. in Engineering.
