April 2016 --- March 2017 Research Fellow of Japan Society for the Promotion of Science (DC2), Osaka University, Advisor: Tadashi Ochiai
April 2017 --- March 2018 Research Fellow of Japan Society for the Promotion of Science (PD), Osaka University, Advisor: Tadashi Ochiai
October 2017 --- March 2018 Part-time instructor, Osaka University
April 2018 --- September 2020 Research Fellow of Japan Society for the Promotion of Science (PD), Tohoku University, Advisor: Yasuo Ohno
April 2020 --- September 2020 Part-time instructor, Tohoku University
October 2020 --- March 2021 Part-time instructor, Tohoku Gakuin University
October 2020 --- March 2021 Assistant Professor, Research Alliance Center for Mathematical Sciences, Tohoku University
April 2021 --- March 2025 Assistant Professor, College of Science and Engineering, Aoyama Gakuin University
April 2025 --- Lecturer, Nagahama Institute of Bio-science and Technology