He helped launch New Oriental's 2006 initial public offering (IPO) on the New York Stock Exchange, which was oversubscribed 35 times.
[7] The number of New Oriental schools doubled in following two years, and in 2011, Hsieh announced that the company would slow its expansion for a time and make more of an effort to fill existing classrooms and facilities.
[8] During Hsieh's time as president, New Oriental also dramatically expanded its POP Kids program, which provided language instruction to children from 3–14 years of age.
[9] One of the more notable events of Hsieh's tenure was the 2012 publication of a report by an American firm, Muddy Waters Research, that stated that New Oriental was using accounting tricks to overstate its profits, and that it would soon have to restate its earnings.
Hsieh served as an independent director and chairman of the audit committee of Perfect World (formerly NASDAQ: PWRD, taken private in 2015) from 2007 through 2009.