Jon “maddog” Hall

Jon "maddog" Hall by Peter Adams.

Jon "maddog" Hall, New York City, 2017.

Jon “maddog” Hall is a free and open source software advocate, programmer, and author. While working at Digital Equipment Corporation, he was early to recognize the commercial importance of Linux and convinced Linus Torvalds to port the operating system to Digital’s Alpha microprocessors. Hall has since served on the boards of Linux Professional Institute and the USENIX association. He currently is CEO of cloud computing company OptDyn and founder of open hardware effort Project Cauā.