Keisuke Idemitsu joined the Ministry of Economy, Trade and Industry (METI) in 2009. He earned MSc in Management of Information Systems and Digital Innovation (MISDI) at London School of Economics (LSE) in 2019/20. Since 2020, he rejoined METI and established the project of designing digital architecture in BtoB contract and payment systems. In Dec 2021, he joined Osaka Gas Company.