Cao Liangliang, a former Google DeepMind director who worked on Gemini, has left the U.S. to join Hong Kong Polytechnic University, two decades after he left the city to build his career abroad.

After a journey including study under luminaries in computer vision and AI sectors, Cao brings Silicon Valley experience to PolyU.

Cao Liangliang, a former Google DeepMind director who worked on Gemini, has left the U.S. to join Hong Kong Polytechnic University, two decades after he left the city to build his…