Science Fiction and Fantasy Writers of Japan

Science Fiction and Fantasy Writers of Japan, or SFWJ (Japanese official name: , Nihon SF Sakka Club) is an organization of SF-related people, professional or semi-professional. It was formerly a friendship organization, but it is a general incorporated association since August 24, 2017.
Mission.
There are three missions in SFWJ.
Membership.
Though the official English name of the organization is "Science Fiction and Fantasy Writers of Japan", members are not limited to writer. Translator, editor, artist, creator, or promoter/ contributor in various genres in relation with SF and/or fantasy, professional or semi-professional, is granted to be a member, if a candidate is acknowledged by the organization.
History.
SFWJ was founded on 3 March 1963 at Shinjuku, Tokyo, Japan. The founder members are 11 persons who are Takashi Ishikawa, Sakyo Komatsu, Tetsurō Kawamura, Morihiro Saitō (), Hakukō Saitō, Ryo Hanmura, Masami Fukushima, Shinichi Hoshi, Ryu Mitsuse, Yū Mori (Hiroshi Minamiyama ) and Tetsu Yano. They were SF-related writers, translators, and editors.
The club was friendship group and the secretariat was located at Hayakawa Publishing, Tokyo at first. There was no president, but Masami Fukushima who was editor in chief of S-F Magazine was substantial president. Head of the club was a chief of secretariat.
After the death of Fukushima in 1976, Shin'ichi Hoshi took office as president of the club.
Taiyo Fujii is a president of the organization as of March, 2018.
Member list.
Member list of the SFWJ as of February 5, 2018: