Few have contributed as greatly to the open-source world of VoIP and telecommunications as Mark Spencer. Faced with financial obstacles, he did what any good leader would and built his own solution that has since then benefitted businesses around the world. His open-source framework Asterisk has been able to disrupt the status quo of PBX or Private Branch Exchange, systems while giving business owners a way to inexpensively manage their telecommunications. Education and Beginnings Mark Spencer wasn’t a man who came out of nowhere and built this innovative program. He was enrolled at Auburn University as a computer engineer when the entrepreneurial spirit first hit him. While still a student and finishing up his degree, Spencer decided it was time to put his education to the test and found his own business. This culminated in Linux Support Systems, a company started in 1999 with the original aim of supplying Linux support…