Kwong Siu-hing
Net worth: US$15 billion (HK$117.7 billion)
What she does: The 90-year-old widow of Sun Hung Kai Properties co-founder, Kwok Tak-seng, served as the company’s chairman from 2008 until 2011 and remains the biggest stockholder with a solid 26.58% stake.
See also: 15 Of Hong Kong's Most Powerful Women