Alibaba's largest investor is Jack Ma. Jack Ma is one of the founders of Alibaba Group and the company's former executive chairman. As a well-known Chinese entrepreneur and philanthropist, Jack Ma played an important role in building Alibaba into a global e-commerce giant. He is committed to promoting the development of China's digital economy and became China's richest man after Alibaba went public. Through investments and strategic decisions, Jack Ma helped Alibaba expand its business globally and successfully drove the company to tremendous growth and success.