Chinese billionaire Jack Ma suspected missing after not being seen for two months

The Chinese billionaire behind e-commerce giant Alibaba and the online payment processor Ant Group, is suspected missing amid reports that he hasn’t been seen in more than two months.

Jack Ma, whose net worth is estimated at nearly $50 billion and is among those most influential men in China, was last seen in public at the Bund Global Financial Summit in Shanghai on Oct. 24. At the event, he hailed the upcoming Ant Group IPO as “the largest [listing] in human history.”