- 2019/04 - 現在 The University of Tokyo Graduate School of Agricultural and Life Sciences Visiting Fellow
- 2018/04 - 現在 The Institute of Statistical Mathematics Research Center for Medical and Health Data Science Visiting Associate Professor
- 2017/08 - 現在 The Jikei University Department of Molecular Physiology, School of Medicine Visiting Scientist
- 2016/04 - 現在 Sanyo-Onoda City University f/k/a Tokyo University of Science Yamaguchi Center for Liberal Arts and Sciences Associate Professor
- 2019/08 - 2020/08 University of Alberta Division of Neurology, Department of Medicine Visiting Professor
- 2014/10 - 2016/03 Tokyo University of Science Yamaguchi Department of Arts and Scinces, Faculty of Engineering Associate Professor
- 2011/04 - 2014/03 Hyogo College of Medicine Division of Bio-information, Department of Physiology, Faculty of Medicine Assistant Professor
- 2011/04 - 2012/03 Shantou University Medical College (Guangdong, China) Division of Bio-information, Department of Physiology, Faculty of Medicine Collaborated Professor
- 2010/04 - 2011/04 University of Alberta (AB, Canada) Division of Neurology, Department of Medicine Visiting Professor
- 2008/04 - 2010/03 National Institutes of Health (NIH) National Institute of Child Health and Human Development (NICHD) Visiting Postdoctoral Fellowship
- 2007/04 - 2008/03 NKI, New York University (NY, USA) The Center for Dementia Research Postdoctoral Fellow
- 2001/10 - 2007/09 Hirosaki University Depepartment of Medicine Assistant Professor
- 2000/04 - 2002/03 NIPS, Okazaki National Research Institutes Collaborated Researcher