- May.2024-: Professor, Graduate School of Informatics and Engineering, The University of Electro-Communication 
- Apr. 2020 - Apr.2024 : Associate Professor, Department of Reasoning for Intelligence, The Institute of Scientific and Industrial Research, Osaka University 
- Sep. 2017 - Mar. 2020: Assistant Professor, Department of Reasoning for Intelligence, The Institute of Scientific and Industrial Research, Osaka University 
- Apr. 2016 - Aug. 2017: Researcher, Kawarabayashi Large Graph Project 
- Apr. 2013 - Mar. 2016: Researcher, IBM Research Tokyo 
- Mar.2013: Ph.D., Osaka University - Division of Electrical, Electronic and Information Engineering, Graduate School of Engineering 
- Supervisor: Prof. Takashi Washio 
 
- Mar. 2010: M.Eng., Tokyo Institute of Technology - Department of Computer Science, Graduate School of Information Science and Engineering 
- Supervisor: Prof. Masashi Sugiyama 
 
- Mar. 2008: B.Eng., Waseda University