Andy Müller-Maguhn is a former member of the German hacker association Chaos Computer Club. Having been a member since 1986, he was appointed as a spokesman for the club in 1990, and later served on its board until 2012. He appeared with Julian Assange on Episode 8 and 9 of The World Tomorrow, "Cypherpunks: 1/2" and is a contributor to Assange's 2012 book Cypherpunks: Freedom and the Future of the Internet along with Jacob Appelbaum and Jérémie Zimmermann.