Who runs 4chan?

Hiroyuki Nishimura (西村 博之, Nishimura Hiroyuki, born 16 November 1976) is a Japanese internet entrepreneur best known for being the founder of the most accessed Japanese message board, 2channel, and current administrator of 4chan. He is also a self-help author and TV personality.

Are 4chan posts anonymous?

No you are not anonymous when browsing and posting on 4chan they see and record your IP addresses.