He received his diploma (2007) in computer science and his master degree (2008) and PhD (2011) in computational intelligence and systems science from Tokyo Institute of Technology, Japan. Since 2010, he was also a research fellow of Japan Society for the Promotion of Science for one year. Afterwords, He joined TAO group at INRIA, France, for two years as a post-doc. He was an assistant professor at Shinshu University from 2013 to 2018. He started working at the current position in April, 2018. He has been co-chairing Continuous Optimization Track at GECCO 2015 and 2015. His research interests include design principle and theoretical analysis of stochastic search heuristics in continuous domain, in particular, the Covariance Matrix Adaptation Evolution Strategy.