Jack Ma, Alibaba Group founder and chairman
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Jack Ma: The man behind Alibaba

He is known for making bold claims and dressing like a rock star.

He is Jack Ma, the charismatic executive chairman of the e-commerce giant Alibaba, which is due to sell shares to the public in New York at the end of this week.

Jack Ma is a household name at home in China, but it's a name not known to many beyond the mainland.

The BBC's Hong Kong correspondent Juliana Liu takes a closer look at the man behind what is expected to be the world's biggest ever stock market listing.

Go to next video: Have you heard of Alibaba?