"Shou brings deep knowledge of the company and industry, having led a team that was among our earliest investors, and having worked in the technology sector for a decade. He will add depth to the team, focusing on areas including corporate governance and long-term business initiatives."
The move comes after an effort by the administration of former US president Donald Trump to ban TikTok in the United States or force a sale to an American-owned entity, over claims that the app could pose national security risks.
At least one report said the Biden administration had abandoned the Trump effort, which aimed to sell TikTok to US tech giant Oracle and retail power WalMart.
TikTok is believed to have some one billion users worldwide including more than 100 million in the United States, and is especially popular with young smartphone users.