Bloomberg Billionaires Index

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# 256 Samuel Yin $8.32B

Random fact: Sent to a youth detention center when he was 14 for delinquency.


Yin is chairman of Ruentex Group, a Taipei-based conglomerate. The group has three publicly traded Ruentex companies in Taiwan and is involved in textiles, real estate, medical and education industries. It also controls Nan Shan Life Insurance, a closely held insurer with revenue of NT$571 billion ($17.7 billion) in 2021.

As of :
Last change -$4.02M ( -0.1%)
YTD change +$321M ( +4.0%)
Biggest asset Nan Shan Life Insurance
Country / Region Taiwan
Age 72
Industry Diversified
View net worth over:   Max 1 year 1 quarter 1 month 1 week

Relative Value

Samuel Yin's net worth of $8.32B can buy ...

troy ounces of gold
barrels of crude oil

... and is equivalent to ...

of the GDP of the United States
of the total wealth of the 500 richest people in the world
of the top 100 U.S. college endowments
of the top 200 U.S. executives’ total awarded compensation
of U.S. existing home sales
times the median U.S. household income

Latest News

Net Worth Summary

Private asset
Public asset
Misc. liabilities
Confidence rating:

Yin's wealth is derived from Ruentex Group, the closely held company he inherited from his father.

Ruentex Group owns 91% of closely held Nan Shan Life Insurance through holding company Ruen Chen, according to a 2015 Ruentex Development presentation. Nanshan Life had revenue of NT$571 billion ($17.7 billion) in 2021, according to a filing on its website. The insurer is valued using the average price-to-book value multiple of three publicly traded peer companies: Mercuries Life Insurance Co Ltd, Cathay Financial Holding Co Ltd and Fubon Financial Holding Co Ltd.

Ruentex Group also has stakes in publicly traded subsidiaries Ruentex Development Co, Ruentex Industries and Ruentex Engineering & Construction, according to stock exchange filings as detailed in the asset notes.

Yin also owns about 5.5% of Sun Art Retail, a hypermarket operator in China, through holding companies. He had agreed to sell his stake to Taobao China Holding, according to a Nov. 20, 2017 agreement, but still held the stake two years later, according to the company's 2019 annual report, and the two entities holding stakes below 5% reporting threshold since.

Yin declined to comment on his net worth.


Family: Married, 2 children

Samuel Yin was born in Taipei in 1950. He studied history at the city's Chinese Culture University before completing his MBA at National Taiwan University and receiving a PhD from National Chengchi University, according to his biography on the website of the Tang Prize Foundation.

He joined his father's textile maker Ruentex Industries and helped establish real estate division Ruentex Developments in 1977. A prominent supporter of closer ties between Taiwan and China, he stepped down as chairman of Ruentex Industries in 1993, and began focusing on investing in China.

The first RT-Mart hypermarket opened in Taiwan in 1997. A year later, he set up Chinese grocer Sun Art in conjunction with France's Auchan chain. The merchant started to trade on the Hong Kong stock exchange in 2011, the same year Yin bought a controlling stake in Taiwanese insurer Nan Shan from AIG.

The billionaire, who is married with two children, started the Tang Prize in 2013 to encourage scientific and cultural research.

  • 1950 Samuel Yin is born in Taipei, Taiwan.
  • 1977 Property developer Ruentex Development is established.
  • 1993 Steps down as chairman of Ruentex Industries. Wife replaces him.
  • 1997 Opens first RT-Mart hypermarket in Taiwan.
  • 1998 Starts Chinese food retailing joint venture Sun Art Retail Group.
  • 2011 Buys controlling stake in Nan Shan Life Insurance from AIG.
  • 2011 Sun Art Retail Group debuts on the Hong Kong stock exchange.
  • 2012 Runs newspaper ads supporting Taiwan's China-friendly president.
  • 2013 Establishes Tang Prize Foundation.
  • 2013 Joins Warren Buffett's Giving Pledge.