Kenji Kasahara (笠原 健治, Kenji Kasahara; born December 6, 1975 in Minoh, Osaka Prefecture) is a Japanese entrepreneur who founded Mixi, a social networking site. In 2008, he was ranked as the 37th richest Japanese person.
Source: “Kenji Kasahara”, English Wikipedia (CC BY-SA 4.0), excerpt