Salman 'Sal' Amin Khan (born October 11, 1976) is an American educator and the founder of Khan Academy, a free online non-profit educational platform with which he has produced over 6,500 video lessons teaching a wide spectrum of academic subjects, originally focusing on mathematics and science. He is also the founder of Khan Lab School, a private brick-and-mortar school in Mountain View, California. As of July 2023, the Khan Academy channel on YouTube has 7.94 million subscribers, and its videos have been viewed more than two billion times. In 2012, Khan was named in the annual publication of Time 100. In the same year, he was featured on the cover of Forbes, with the tagline 'The $1 Trillion Opportunity.' (Source: Wikipedia.org, CC BY-SA)