Mark Liu is the Chairman of Taiwan Semiconductor Manufacturing Co. Ltd. (TSMC). Prior to assuming this post, he was President and Co-CEO of TSMC from 2013 to 2018, where he oversaw TSMC's leading-edge technology development, and was Co-Chief Operating Officer from 2012 to 2013. Before that, he served in a number of executive positions at TSMC, including Senior Vice President of the Advanced Technology Business and Senior Vice President of Operations. Dr. Liu established TSMC's first 12-inch fab, and later TSMC's GIGAFAB® operations. He also served as President of Worldwide Semiconductor Manufacturing Corp prior to its merger with TSMC.