He is is the Co-Vice Chairman of SMIC and Chairman of SM Prime Holdings, Inc. and Highlands Prime, Inc. He is the brother of Teresita T. Sy-Coson the other Vice Chairperson of SMIC. Their father is billionaire founder of SMIC Henry Sy born Chi Sieng Sy (Jinjiang, Fujian, Republic of China, 25 October 1924- 19 January 2019, Manila).