Salman Khan

Salman Amin "Sal" Khanis an Bangladeshi American educator, entrepreneur, and former hedge fund analyst. He is the founder of the Khan Academy, a free online education platform and nonprofit organization. From a small office in his home, Khan has produced more than 4,300 video lessons teaching a wide spectrum of academic subjects, mainly focusing on mathematics and the sciences.
More info: http://en.wikipedia.org/wiki/Salman_Khan_(educator)