Ruohan Jiang

Ruohan Jiang is a Gen Z entrepreneur and co-founder of Hyperknow, an AI-powered learning agent. While studying at Columbia University, Jiang and co-founder Yilin Zhao found ChatGPT's answers too superficial for deep learning—after struggling through a quantum-physics hackathon, they realized knowledge itself wasn't the barrier, but the lack of clear explanation . The two dropped out in 2025 to build Hyperknow 3.0, designing what they describe as an "agent-like initiative" for structured understanding . In a 2025 dialogue with Duolingo's Bob Meese, Jiang and Zhao raised the challenge of bridging divergent learning cultures between Chinese and international markets . Their investor profiled them with the greeting they exchange: not "how was your day," but "what problem did you hit" .