- 2022/04 - 現在 Osaka Metropolitan University, Graduate School of Sciences Department of Geosciences Professor
- 2006/04 - 現在 Osaka City University Graduate school of Creative Cities Professor
- 2018/04 - 2022/03 Osaka City University Spatial Informatics, Graduate School of Engineering Professor
- 2015/03 - 2022/03 Osaka City University Center of Education and Research for Disaster (CERD)
- 2016 - 2022 Naresuan University Visiting Professor
- 2009/04 - 2019/03 University of Chinese Academy of Sciences Visiting Professor
- 2018/08 - 2019/01 Science and Technology Park, India Visiting Researcher
- 2018/08 - 2019/01 International Institute of Information Technology, India Visiting Professor
- 2011/01 - 2012/12 China University of Mining and Technology, Beijing Guest Professor
- 2010 - 2012 JICA
- 2000 - 2009 JICA
- 2003 - 2007 Asian Institute of Technology Visiting Associate Professor
- 2003/04 - 2006/03 Osaka City University Graduate school of Creative Cities Associate Professor
- 1998/10 - 2006/03 Media Center, Osaka City University Associate Professor
- 2003/04 - 2005/12 Asian Institute of Technology Associate Professor
- 2002/03 - 2003/03 Chulalongkorn University Visiting Associate Professor
- 2002/03 - 2003/03 Asian Institute of Technology Visiting Associate Professor
- 2001/01 - 2001/03 Shimane University Interdisciplinary Faculty of Science and Engineering Visiting lecturer
- 1996/07 - 1998/09 Media Center, Osaka City University Lecturer
- 1997/04 - 1997/09 Okayama University of Science Faculty of Informatics Visiting lecturer
- 1995/05 - 1996/06 Asia Consulting Engineers Engineer
- 1983/06 - 1995/05 Centre for Earth Science Studies, India Geosciences Research Scientist
- 1982/12 - 1983/04 Pune University, India Department of Geology Lecturer
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Japan Society of Remote Sensing.
, 日本-ベトナム空間情報学連合
, GIS Association of Japan
, The Geological Society of India.
, Japan Society of Geoinformatics
, International Association of Mathematical Geology