Lisa Su (Chinese: 蘇姿丰; Pe̍h-ōe-jī: So͘ Chu-hong; born 7 November 1969) is a Taiwanese-American business executive and electrical engineer, who is the president, chief executive officer and chair of Advanced Micro Devices (AMD). Early in her career, Su worked at Texas Instruments, IBM, and Freescale Semiconductor in engineering and management positions. She is known for her work developing silicon-on-insulator semiconductor manufacturing technologies and more efficient semiconductor chips during her time as vice president of IBM's Semiconductor Research and Development Center.