Bloomberg Billionaires Index

View profiles for each of the world’s 500 richest people, see the biggest movers, and compare fortunes or track returns.

# 344 Rahel Blocher $6.99B

Random fact: Christoph used to serve in the army.


Blocher owns about one-third of Ems-Chemie, a publicly traded specialty chemicals maker. The Herrliberg, Switzerland based company manufactures and markets polymers and chemicals for use in the transportation and textile industries. Ems-Chemie reported revenue of 2.3 billion Swiss francs ($2.5 billion) in 2021.

As of :
Last change -$7.17M ( -0.1%)
YTD change +$528M ( +8.2%)
Biggest asset EMSN SW Equity
Country / Region Switzerland
Age 47
Industry Industrial
View net worth over:   Max 1 year 1 quarter 1 month 1 week

Relative Value

Rahel Blocher's net worth of $6.99B 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:

The majority of Blocher's fortune is derived from a 30% stake in Ems-Chemie Holding, a publicly traded manufacturer of chemicals and polymers.

Blocher controls the shares through a 49.5% stake in Emesta Holding, which owns 60.8% of Ems-Chemie's shares, according to the Ems-Chemie 2021 annual report. Her sister, Magdalena Martulo-Blocher, also owns 49.5% of Emesta Holding and another sister, Miriam Blocher, owns the remaining 1% of Emesta, according to company filings.

The value of her cash holdings is based on an analysis of dividends, insider transactions, taxes, charitable contributions and market performance.


Family: Unknown, No children

Rahel Blocher was born to Silvia and Christoph Blocher in Mannedorf, Switzerland. She studied economics at the University of St. Gallen, Switzerland. Christoph Blocher is a retired Air Force Regiment Commander and Colonel. He has been the vice president of the Swiss People's Party, the country's largest political party, since March 2008.

Rahel began working at Clariant and Elma Electronic in 2004. Since 2009, she has headed Robinvest, her father's investment company. She received shares in Ems-Chemie when her father was elected to the Federal Council of the Swiss Government in 2004. Blocher is also the vice president of the Stiftung Schweizer Musikinsel Rheinau, a foundation created by her father.

With her sister Magdalena, also a billionaire, Blocher is the majority shareholder of Ems-Chemie. Their siblings Markus and Miriam sold shares over the years to Rahel and Magdalena.

She lives in Switzerland with her family.

  • 1936 Original business founded in Zurich to make ethyl alcohol.
  • 1960 Chemical business renamed Emser Werke AG.
  • 1969 Sister Magdalena Martullo-Blocher is born in Mannedorf, Switzerland.
  • 1978 Three of the company businesses united as Chemie Ems Holding AG.
  • 2003 Christoph passes shares in company to his four children.
  • 2004 Starts working at Clariant.
  • 2009 Joins Robinvest.
  • 2010 Takes over BaZ Holding from Moritz Suter.