Founded in 1963 by the company's late patriarch, Sun Hung Kai developed into one of Hong Kong's most successful businesses, and when the elder Kwok died in 1990, he left the reins of Sun Hung Kai to his three sons, with the eldest, Walter Kwok, at the helm.

WSJ: Sun Hung Kai's Raymond Kwok Denies Wrongdoing

Lee remains a significant shareholder in Sun Hung Kai and acts as a mentor to the Kwok sons, who call him "uncle" and remember how he helped their father.

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