Stewart Brand is an American project developer and writer, best known as the co-founder and editor of the Whole Earth Catalog. He has founded a number of organizations, including the WELL, the Global Business Network, and the Long Now Foundation. He is the author of several books, most recently Whole Earth Discipline: An Ecopragmatist Manifesto.

The Whole Earth 'Lectronic Link, normally shortened to The WELL or, alternatively, The Well, is a virtual community that was launched in 1985. It is one of the oldest continuously operating virtual communities. By 1993 it had 7,000 members, a staff of 12, and gross annual income of $2 million. A 1997 feature in Wired magazine called it "The world's most influential online community." In 2012, when it was last publicly offered for sale, it had 2,693 members. It is best known for its Internet forums, but also provides email, shell accounts, and web pages. Discussion topics are organized into conferences that cover broad areas of interest. User anonymity is prohibited.