This is an accepted version of this page 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.

[2] As of January 2025[update], the Khan Academy channel on YouTube has 8.74 million subscribers, and its videos have been viewed more than two billion times.

[6] His father Fakhrul Amin Khan (d. 1990) was a physician,[7][8] originally hailing from the village of Rahmatpur in Babuganj Upazila, Bangladesh.

[10] They are descendants of Rahmat Khan, a 16th-century chieftain of Pathan origin, who were killed in battle with Kandarpanarayan Rai, the erstwhile Raja of Chandradwip.

Khan attended Grace King High School, where, as he recalls, "a few classmates were fresh out of jail and others were bound for top universities.

[23] The popularity of his educational videos on the video-sharing website prompted Khan to quit his job as a financial analyst in late 2009.

[24] He moved his focus to developing his YouTube channel, Khan Academy, full-time with the aid of close friend Josh Gefner.

[33] Stanford AI researcher Andrew Ng has named Khan as an inspiration for the founding of Coursera, one of the first massive open online course (MOOC) platforms.

[37] In early 2020 during the COVID-19 pandemic, Khan launched Schoolhouse, a free non-profit initiative to provide small-group tutoring for students worldwide through Zoom meetings.

[44] Bill Gates has said; "I've used Khan Academy with my kids, and I'm amazed at the breadth of Sal's subject expertise and his ability to make complicated topics understandable".

[46][47][48] Khan's first child, a son, suffered from childhood epilepsy, which he later outgrew, but the experience had lasting effects for the family to realize what was important in life.