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Billionaire Profile
Thomas Schmidheiny
Global Rank
#365

Image: Regina Kühne  | CC BY-SA 4.0 | via Wikimedia Commons

Thomas Schmidheiny

CEO, Cement
Jona, Switzerland
Real-Time Net Worth
$10.0B
Estimated based on Cement stock value as of September 10, 2026
-1.31% (24h)
Age
80
Source
Cement
Industry
Manufacturing
Citizenship
Switzerland

Biography

Thomas Schmidheiny is a Swiss billionaire industrialist, with a net worth of $10.9 billion. His wealth primarily stems from his long-term stake in Holcim, a global building materials company. He served as chairman of Holcim (formerly Holderbank) from 1984 to 2003 and has been instrumental in the company's growth, including its merger with Lafarge. Schmidheiny is also a philanthropist, and is involved with his family's Fourfold Foundation. He has a Master of Science in mechanical engineering from ETH Zurich and an MBA from IMD Business School in Lausanne. He is married with four children and resides in Jona, Switzerland.

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Data Updated
Sep 10, 2026
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Wealth Over Time

Net Worth History

YearNet Worth
2026$10.0B
2025$11.1B
2024$10.9B

Portfolio Holdings

Holcim

Holcim

HOLNConstruction Engineering
$3.89B
Holdings Value
Ownership
6.64%
Market Cap
$36.7B
Stock Price
$67
Revenue
$26.4B
Zug, Switzerland
63,665 (2025) employees
Founded 1912

In-Depth Profile

Early Life

Thomas Schmidheiny was born in 1945 in Balgach, Switzerland, into a family with deep roots in the construction materials sector. His grandfather, Ernst Schmidheiny, acquired a stake in cement producer Holderbank in 1914, laying the foundation for the family's future success. He holds Swiss citizenship and resides in Jona, Switzerland.

Rise to Success

Schmidheiny earned a Master of Science in mechanical engineering from the Swiss Federal Institute of Technology (ETH Zurich) in 1969 and an MBA from IMD business school in Lausanne, Switzerland, in 1972. He joined the family business, Holderbank (later Holcim), in 1970, and became chairman of the Board of Directors in 1984, a position he held until 2003. He oversaw major expansions and the 2015 merger with Lafarge to create LafargeHolcim (now Holcim), solidifying its position as a building materials leader. He is now the honorary chairman of Holcim.

Key Business Strategies

Schmidheiny's career was marked by strategic decisions, including the expansion of Holcim into Eastern Europe, Asia, and Latin America. His focus on international growth and strategic mergers, like the one with Lafarge, were crucial to the company's global dominance. He also chairs the investment firm Spectrum Value Management Ltd.

Philanthropy

Schmidheiny is the founder of the Fourfold Foundation, established in 2020. This foundation, which includes his four children on its board, focuses on social entrepreneurship, poverty reduction, environmental sustainability, and cultural preservation. Schmidheiny’s philanthropic approach prioritizes entrepreneurial solutions and personal involvement. He is also president of the Stiftung Kunstsammlung Thomas Schmidheiny, a non-profit foundation managing his private art collection.

Career Milestones

1970

Technical Director, Holcim Apasco cement (Mexico)

Began his career within the family business focusing on technical aspects of cement production.

1976

Executive Committee of Holcim Ltd.

Appointed to the Executive Committee, taking on a more prominent leadership role.

1978

Chief Executive Officer (CEO) of Holcim

Took over as CEO, later also serving as Chairman.

1984

Chairman of the Board of Directors of Holcim

Assumed the role of Chairman, guiding the company's strategic direction.

2015

LafargeHolcim Merger

Orchestrated the merger with Lafarge, forming LafargeHolcim, later renamed Holcim, solidifying its position in the building materials industry.

2018

Retired from the Board of Directors

Stepped down from the Holcim Board and became Honorary Chairman.

Philanthropy & Social Impact

Social Entrepreneurship, Environmental Sustainability

Fourfold Foundation

Supports projects in marine biodiversity protection, children's health, resilient food production, and pathways to organic agriculture.

Education

Ernst Schmidheiny Foundation

Promotes economic literacy programmes in Switzerland.

Controversies & Challenges

2003

Insider Trading Investigation

Resigned as Chairman of Holcim due to an insider trading investigation in Spain, but remained on the board and later settled the case with a fine.

Billionaires Connected to Thomas Schmidheiny

Peers in Manufacturing

All Manufacturing billionaires

Richest in Switzerland

All billionaires from Switzerland

Adjacent Global Ranks

Full global ranking

Frequently Asked Questions

What is Thomas Schmidheiny's net worth in 2026?
As of 2026, Thomas Schmidheiny's estimated net worth is $10.035 billion, ranking #365 among the world's billionaires. The estimate is based on publicly available shareholding data and market prices, updated daily.
How did Thomas Schmidheiny make their money?
Thomas Schmidheiny's wealth primarily comes from Cement, most notably through Cement.
Where is Thomas Schmidheiny from?
Thomas Schmidheiny is from Switzerland.
How old is Thomas Schmidheiny?
Thomas Schmidheiny is 80 years old.

Sources & References

  1. Thomas Schmidheiny — Forbes profile Forbes