| Dec. 1, 1954 | Born in Kamiiso(now, Hokuto-shi), Hokkaido, Japan |
| Mar. 1967 | Graduated from Kamiiso primary school |
| Mar. 1970 | Graduated from Kamiiso junior high school |
| Mar. 1975 | Graduated from Hakodate National College of Technology (Mechanical engineering) |
| Apr. 1975 | Joined Ebara corp. |
| Mar. 2007 | Retired Ebara corp. in order to starting the consult |
| Apr. 2007 | Established Sototyama Consultant Office |