Dr. Wu Yee-sun (Chinese: 伍宜孫) (born 1900 in Xingtan, Shunde, Guangdong, China and died 2005 in Hong Kong) was a Hong Kong entrepreneur and billionaire who founded the Wing Lung Bank. His father, Wu York-Yu (Chinese: 伍若瑜), and grandfather, Wu Yee-Hong (Chinese: 伍宜康), were both enthusiastic practitioners of the "grow and clip" method of training penjing, which came to be known as the "Lingnan School".
Dr. Wu came to Hong Kong in the 1920s. In 1933, he established "Wing Lung Money Exchange" (later Wing Lung Bank) in Central, Hong Kong.[1] In Dr Wu's name or that of his father, Dr. Wu's family contributed towards setting up or improving hospitals, clinics, universities and schools in Mainland China and Hong Kong.[2] In 2005, Dr. Wu died in Hong Kong Sanatorium and Hospital at the age of 105.[3]