From Facebook intern to the crosshairs of Congress: TikTok chief’s stellar rise

Shou Zi Chew, who joined ByteDance, the parent company in 2021, won't let his children use the app

• Six questions TikTok's CEO needs to answer

Shou Zi Chew has said the most gruelling experience of his life was a five-day survival course in the jungles of Borneo when he was serving as a conscript in Singapore's armed forces.

The TikTok chief executive, whose trans-global academic and business career has rapidly propelled him to the top job at one of the world's biggest tech companies, will need to display some of that mettle as he battles to ensure the corporate survival of the controversial but immensely popular social video app.