1962:                      Born in Tokyo

1986:                      Completed master's course in civil engineering (belonged to the Wandervogel club while in college, enjoying mountains such as Daisetsuzan in Hokkaido in the north and Mt. Miyanoura in Yakushima in the south)

1986-1989:          Lecturer at Jomo Kenyatta University of Agriculture and Technology in Kenya as a Japan Overseas Cooperation Volunteer (climbed Mt. Kenya and Mt. Kilimanjaro)

1989-Present:    Engaged in domestic and overseas water supply and sewerage projects as a construction consultant

2019:                      Published a paper on water purification methods in the International Water Association (IWA) (see below)

https://doi.org/10.2166/wpt.2019.021

https://www.researchgate.net/publication/331557553_Application_of_roughing_filter_to_pre-treat_1000_NTU_raw_water_for_slow_sand_filter

2019-Present:      Started activities as a mountaineering guide

Qualifications:     Japan Mountain Guides Association Certified Guide Climbing Guide Stage II (Not available for guides on rocky mountains such as Mt. Tsurugi in Northern Alps)

　　　　　　　　TOKYO MOUNTAIN GUIDES ASSOCIATION

 Professional Engineer (Water Supply and Sewerage)