Mark Spencer |
Mark is the founder, chairman and CTO of Digium, an open-source telecommunications supplier most notable for its development and sponsorship of Asterisk. Mark is also the creator of Asterisk, a Linux-based open-sourced PBX in software.
From Forbes Magazine: Spencer, who is all of 29 years old, is poised to disrupt the $7 billion market for office telecom switches (often called PBXs) much the way the Linux open-source computer operating system crushed the price of business computing and brought woe to established leaders such as Microsoft and Sun Microsystems.