R ui Chen is a Chinese technology billionaire who is the chairman and CEO of Bilibili, one of China's most popular and influential video-sharing and entertainment platforms. The company is often called the "YouTube of China" but has a unique culture that is deeply rooted in the world of anime, comics, and games (ACG). Bilibili has become a major cultural force for young people in China, with a highly engaged community and a focus on user-generated content.

Chen was an early investor in the company and later took over as its CEO, leading it through a period of massive growth and its successful IPO on the Nasdaq. He has been the strategic mind behind the company's expansion from a niche ACG community into a more mainstream entertainment platform with a growing presence in online gaming, e-commerce, and live streaming. His large stake in the company is the source of his billion-dollar fortune, and he is a major figure in China's dynamic digital media landscape.