This is a Chinese name; the family name is Ma.

Ma Yun

Simplified Chinese马云

Traditional Chinese馬雲

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Jack Ma or Ma Yun (Chinese: 马云; born September 10, 1964)[2] is a Chinese business magnate and philanthropist. He is the founder and executive chairman of Alibaba Group, a family of successful Internet-based businesses. He is the first mainland Chinese entrepreneur to appear on the cover of Forbes.[3] As of November 2014, he is the richest man in China (Hong Kong not included) and 18th richest person in the world, with an estimated net worth of $24.1 billion according to Forbes.[4]