Career
| 1 | Plant engineering firm in Japan | April, 2000 ~ August, 2004 | drainage treatment of food factory, water purification, etc. | Sales, design, construction management, and maintenance work |
| 2 | Plant engineering firm in Japan | September, 2004 ~ March, 2008 | Installation, renovation, and repair of water treatment plant and sewage systems, installation of mechanical filtration systems | Sales, design and construction management |
| 3 | International Development Consultant on water supply | April, 2008 ~ July, 2019 | Support for water supply systems in developing countries Planning for national water utilities in developing countries, preparation of operational manuals for government officials, and support for training programs. | Survey, design, procurement, construction supervision, Technology transfer services |
| 4 | Manufacturer on water treatment equipment | August, 2019 ~ April, 2025 | Water circulation system development/field response Installation of water treatment facilities in marginalized communities. | Product development, on-site defect handling and management, design and construction supervision |
Affiliations
Non Profit Organization, Community Water Supply Support Center, since 2007