Jann Simon Wenner is an American businessman who is a co-founder of the popular culture magazine Rolling Stone, and former owner of Men's Journal magazine. He participated in the Free Speech Movement while attending the University of California, Berkeley. Wenner, with his mentor Ralph J. Gleason, founded Rolling Stone in 1967.

Rolling Stone is an American monthly magazine that focuses on music, politics, and popular culture. It was founded in San Francisco, California in 1967 by Jann Wenner and the music critic Ralph J. Gleason.