For the curler, see Jason Chang (curler)Jason Chang (Chinese: ???; pinyin: Zhang Qiánsheng; born 18 May 1944) is a Taiwanese/Singaporean billionaire, currently the chairman of Taiwan-based Advanced Semiconductor Engineering (ASE).
On the Forbes 2016 list of the world's billionaires, he was ranked #722 with a net worth of US$2.4 billion.In December 2013, Chang publicly apologized for water pollution caused by untreated wastewater issuing from an ASE plant in southern Taiwan, following a TW$600,000 ($20,300) fine earlier that month from Kaohsiung City Government.In September 2015, Chang received a Semiconductor Equipment and Materials International SEMI Award, which recognized his "significant achievements in the development and commercialization of copper wire in the IC assembly process".