- Dean, Faculty of Engineering, Sojo University
- Head, Graluate School of Engineering, Sojo University
- Councilor, Sojo University
- Member of the board of directors, Scholarship conference, Education foundation of Kimigafuchi
- Professor, Department of EcoDesign, Faculty of Engineering, Sojo University
- Emeritus Professor, Yamaguchi University
- Former (56 th) President, Mining and Mineral processing Institute of Japan
- Member of the board of directors, Japan Institute of Aggregate Technology
- Member of the committee of safety for mines in the Kyushu districts
- Advisor, NPO corporation, Geo-Heat Promotion Association of Japan
- Expert member of the committee of Grant-in-Aid for Scientific Research, Japan Society for the Promotion of Science
- Technical researcher, Research Center of Science and Technology Trends,
National Institute of Science and Technology Policy, Ministry of Education, Culture, Sports, Science and Technology
- Peer-reviewer, New Energy and industrial technology Development Organization
- Councilor, Japanese Society for Rock Engineering
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