
Lam Wai-ying
Chairman , Biel Crystal
$4.14B
$475K
as of 06/13/26
About Lam Wai-ying
Lam and her husband Yeung Kin-man own Hong Kong's Biel Crystal, which makes screens for smartphones.
Lam, Biel's chairman, owns 49% of the business; Yeung holds 51%.
Biel is the largest supplier of glass screens for cell phones, tablets and watches to Apple and employs 90,000 people around the world.
While weakening iPhone demand may affect shipments to Apple, they also supply to Samsung and Sony and have stated they expect stable revenue.
Since 2021 Biel has filed twice for a Hong Kong IPO but it never materialized.
Personal stats
Citizenship
Hong KongSource of wealth
Smartphone screensResidence
Hong Kong, Hong KongMarital status
MarriedNumber of children
3Self-made
self-madeLam Wai-ying’s fortune is worth

69K
troy ounces of gold

64K
median U.S. household

41K
median U.S. income

0.083%
U.S. credit card volume

0.017%
GDP of the United States

0.012%
United States debt
Net worth history
Annual ranking
Net worth over time
Real-time ranking
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