William[citation needed] John Sullivan (more commonly known as John Sullivan;[2] born December 6, 1976[citation needed]) is a software freedom activist, hacker, and writer.

John was formerly executive director[3][4] of the Free Software Foundation (FSF), where he has worked since early 2003.

He also maintains the Plannermode and delicious-el packages for the GNU Emacs text editor.

Active in both the free software and free culture communities, Sullivan has a BA in philosophy from Michigan State University and an MFA in Writing and Poetics.

[5] Until 2007, John was the main contact behind the Defective by Design, BadVista and Play Ogg campaigns.