Ron Sim Chye Hock (Chinese: 沈財福, born 1958) is a Singaporean business magnate and investor.
In 2013, he ranked twenty-first on Forbes' 2013 list of the fifty richest Singaporeans, with an estimated net worth of US$1.4 billion.
[4] Apart from Osim, Sim also owns the China-based Richlife, GNC in Southeast Asia, and the United States-based Brookstone.
[2] His estimated net worth increased to a billion dollars, mostly due to Osim's shares rapidly soaring.
[5] Sim is an advisory board member of the Lee Kong Chian School of Business in Singapore.