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    Artwork for How I Built This with Guy Raz
    Episode

    Khan Academy: Sal Khan. From Tutoring His Cousins to Teaching the World For Free (September 2020)

    How I Built This with Guy Raz · Dec 1, 2025 · 1 h 22 min

    Khan Academy offers hundreds of free tutorials in fifty languages, and has 170 million monthly global users. It all began in 2009 when Sal Khan walked away from a high-paying job to start a business that had no way of making money. His idea to launch a non-profit teaching platform was sparked while helping his young cousins do math homework over the computer. When he started posting his…

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