With a background in economics, Yi-Shan began her career in 1996 at CommonWealth before later joining the China Times (2004~2008). In her early career, Asia financial crisis brought her long term concern on financial reform, tax evasion, capital turbulence and inequality of globalization. She earned the master degree of economic policy management, a special program sponsored by World Bank/ IMF in Columbia University.

Since 2013, she participated several international cooperation projects of International Consortium of Investigative Journalists, including Offshore leaks, Panama paper, Paradise and Fake Science projects. She became the member of ICIJ on 2014. She currently oversees CommonWealth Online news and financial news desk. Also she teaches in J-Scool of National Taiwan University.