Fred Engst (Chinese name: Yang Heping; 71 yo) is an economist, mainly teaching econometrics. He’s also a historian, focusing on modern Chinese history. He currently runs a channel "Fred Engst Talks" on Bilibili, sharing his perspectives on current affairs, and believes that China betrayed communism after the Deng Xiaoping era. He feels deeply worried about the current state of the world and believes that today's younger generation faces even greater challenges than his parents' generation did.