Khan is the founder and faculty of the Khan Academy -- a not-for-profit organization with the mission of providing a free world-class education to anyone, anywhere. It now consists of self-paced software and the most-used educational video repository on the Internet. All 2000+ video tutorials covering everything from basic addition to advanced calculus, physics, chemistry and biology have been made by Salman. He was recently profiled in Fortune Magazine as "Bill Gates' favorite teacher" and his videos have now had over 26 million views (being watched by over half a million unique students per month).