Yoshinori graduated from the Graduate School of Engineering at the University of Tokyo, having majored in computer science and machine learning. In 2012, while still a graduate student, he founded Gunosy Inc. He became the company's CEO and it was listed on the Mothers market of the Tokyo Stock Exchange in 2.5 years after its founding. Later, the company was listed on the First Section of the Tokyo Stock Exchange. Yoshinori then became CEO of Layer X in 2018 and was appointed as a board member of the Japan Blockchain Association (JBA) in June 2019. He was recognized as a Super Creator in 2012, certified under the IPA Program. He was also selected as one of Forbes Asia's 30 under 30 and received an award for a co-authored thesis from the Association for Natural Language Processing in 2017. Yoshinori was appointed as a non-executive director of TSUKURUBA Inc. in October 2019.