Y.P. Chyn is TSMC's Executive Vice President and Co-Chief Operating Officer. He was Senior Vice President of Operations and Overseas Operations Office from May 2020 to February 2024 and had been promoted to Senior Vice President in November 2016, after holding Vice President and Senior Director roles across operations, advanced technology business and product engineering. He joined TSMC in 1987 and holds a master's degree in electrical engineering from National Cheng Kung University.