TikTok's CEO used to work for Mark Zuckerberg as a Facebook intern. Just one decade later, he's become one of Meta's fiercest competitors

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• Shou Zi Chew was an intern at Facebook before he became Mark Zuckerberg’s biggest competitor as CEO of TikTok.

Shou Zi Chew may be the CEO of Mark Zuckerberg’s biggest competitor, TikTok, but at the start of his career, he worked for Zuckerberg as an intern at Facebook.