- 2020/04 - 現在 Hiroshima University, Research Institute for Radiation Biology and Medicine (RIRBM) Department of Radiation Biophysics Assistant Professor
- 2020/04 - Department of Radiation Biophysics, Research Institute for Radiation Biology and Medicine (RIRBM), Hiroshima University, Hiroshima, Japan Assistant Professor
- 2019/10 - 2020/03 Department of Radiation Biophysics, Research Institute for Radiation Biology and Medicine (RIRBM), Hiroshima University, Hiroshima, Japan Postdoctoral Researcher
- 2018/04 - 2019/09 Department of Radiation Biophysics, Research Institute for Radiation Biology and Medicine (RIRBM), Hiroshima University, Hiroshima, Japan Research Assistant
- 2017/11 - 2017/12 Radiation Dosimetry Laboratory, Oklahoma Research and Technology Park, Oklahoma State University, Oklahoma, USA Visiting Researcher
- 2017/06 - Radiation Emergency Medicine (REM) Course, Radiation Emergency Assistance Center/Training Site (REAC/TS), The Oak Ridge Institute for Science and Education, Tennessee, USA Trainee
- 2017/06 - Health Physics (HP) Course, Radiation Emergency Assistance Center/Training Site (REAC/TS), The Oak Ridge Institute for Science and Education, Tennessee, USA Health Physics (HP) Course Trainee
- 2016/04 - 2016/05 Department of Radiation Physics, Imaging and Radiation Oncology Core (IROC) Houston, The University of Texas, M.D. Anderson Cancer Center, Houston, Texas, USA Visiting Researcher
- 2014/07 - 2015/09 Center for Device Regulation, Radiation, Health, and Research (CDRRHR) - Department of Health (DOH) - Food and Drug Administration (FDA), Philippines Health Physicist
- 2011/06 - 2012/03 Colegio de San Juan de Letran-Manila, Philippines College Instructor