Y e Qiongjiu is a co-founder, director, and deputy general manager of Hithink RoyalFlush Information Network, one of China's largest providers of online financial information services. She co-founded the business in the mid-1990s alongside chairman Yi Zheng, starting with a modest capital investment. The company developed popular stock trading software that became ubiquitous among Chinese retail investors.

Hithink RoyalFlush went public on the Shenzhen Stock Exchange's ChiNext board in 2009. Ye has been instrumental in the company's growth, overseeing various operational aspects as it expanded from a software provider into a comprehensive financial data and AI-driven investment platform. Her long-standing partnership with Yi Zheng and her significant equity stake in the listed company have made her one of the notable self-made female billionaires in China's fintech sector.