- Paul Graham, @wikipedia — an English programmer, venture capitalist, and essayist. He is known for his work on Lisp, for co-founding Viaweb (which eventually became Yahoo! Store), and for co-founding the Y Combinator seed capital firm.
- Kevin Mitnick, @wikipedia — an American computer security consultant, author, convicted criminal, and hacker. In the late 20th century, he was convicted of various computer and communications-related crimes. At the time of his arrest, he was the most-wanted computer criminal in the United States.
- Eric S. Raymond, @wikipedia — often referred to as ESR, is an American computer programmer, author and open source software advocate. After the 1997 publication of The Cathedral and the Bazaar, Raymond was for a number of years frequently quoted as an unofficial spokesman for the open source movement.
- Linus Torvalds, @wikipedia — is a Finnish American software engineer and hacker, who was the principal force behind the development of the Linux kernel. He later became the chief architect of the Linux kernel, and now acts as the project's coordinator. He also created the revision control system Git. He was honored, along with Shinya Yamanaka, with the 2012 Millennium Technology Prize by the Technology Academy Finland "in recognition of his creation of a new open source operating system for computers leading to the widely used Linux kernel".