Shield Xiao Dun on Wealth Office | Wealth Office
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Shield Xiao Dun

Shield Xiao Dun

Founder of 17 EdTech, now building AI tutors in Palo Alto

Biography

Shield Xiao Dun is a Chinese education technology entrepreneur who co-founded 17 Education & Technology Group (17EdTech, also known as 17zuoye), a K-12 online learning company that listed on Nasdaq in 2020, and who now works on AI tutors in California.

Education and early career

Xiao Dun was born into a modest middle-class family in Beijing. Scholarships took him abroad, and the Hong Kong businessman William Louey, himself a Wealth Office guest, paid for his schooling at Millfield in England and most of his tuition at the University of Cambridge. He studied engineering, specialising in artificial intelligence, and holds a master's degree in electrical and information engineering from Cambridge. He has also studied at MIT and Harvard.

Before turning to education, he worked on the organisation of the Beijing and London Olympic and Paralympic Games and as a derivatives trader at UBS. He also co-founded Dun & Huang, an early developer of education apps for Apple's App Store.

17EdTech

Xiao Dun co-founded 17zuoye in 2011, at the age of 26, and served as its president. The company began as an online homework platform for school pupils and grew into one of China's largest K-12 education technology businesses. The World Economic Forum's profile of him records that it served more than 80 million users in over 140,000 schools in China, backed by investors including Tiger Global, Temasek, DST, Shunwei, CITIC, Toutiao and ZhenFund. The company grew to around 20,000 employees, listed on Nasdaq in 2020 under the ticker YQ and reached a valuation of about US$5 billion.

Its growth rested on the gap between China's demand for good schooling and the supply of strong teachers outside the largest cities, and on the spread of mobile phones and faster networks. In 2021 China's double reduction policy on after-school tutoring forced the company into a difficult change of direction.

AI tutors and philanthropy

Xiao Dun has since moved to Palo Alto, where he is building AI tutors intended to adapt to each learner at a fraction of the cost of the best human teaching. Speaker listings for the ASU+GSV Summit describe him as working at ASI, a company whose mission is to give every student in the world a personalised AI tutor. He has served on the boards of several education-related non-profit organisations.

On Wealth Office

Xiao Dun appeared on Wealth Office in the episode "What Does a $5bn EdTech Founder Build After 30?". In conversation with Michael Macfarlane he described how William Louey's support, given without conditions, shaped his decision to work in education, and how Louey later recommended the film Pay It Forward to the scholars he had sponsored. He traced the rise of 17EdTech, the effect of the 2021 policy change and his move to AI tutoring, and predicted that assessment will shift towards mastery and real-world output. The discussion also covered China's technological strength, why leading Chinese technology companies have listed in the United States, the value of clear and stable policy, and two outcomes of AI he fears: people kept consuming without growing, and a small group controlling compute and strategic decisions. He set out a preferred model of society shaped like a cactus, with many branches and many peaks, and returned throughout to the idea that purpose stays fixed while a company is the vehicle for it.

On Wealth Office

What Does a $5bn EdTech Founder Build After 30?

Shield Xiao Dun built a $5bn Chinese EdTech company from a scholarship he was given. He explains why AI tutors are his next attempt to pay it forward.

Insights drawing on Dun