Billionaire Profile
Iris Fontbona & family
Global Rank
#40

Image: Unsplash Contributor | Unsplash License | via Unsplash

Iris Fontbona & family

CEO, Mining
CHILE
Real-Time Net Worth
$47.035B
Estimated based on Mining stock value as of March 6, 2026
-2.13% (24h)
Age
83
Source
Mining
Industry
Metals & Mining
Citizenship
CHILE

Biography

Iris Fontbona & family are a prominent force in the global mining industry. Iris Fontbona, the matriarch, inherited a vast fortune and a business empire following the death of her husband, Andrónico Luksic, in 2005. The family's source of wealth is primarily mining, with significant holdings in copper production. Fontbona is the wealthiest person in Chile and a major philanthropist, actively supporting Chilean children through the annual Telethon. Her net worth is estimated at $48.2 billion as of 2024, placing her among the world's wealthiest individuals. The Luksic Group's success is a testament to strategic leadership and a generational commitment to the industry.

Fact Checked
Verified by Editorial Team
Live Data
Updated 3/6/2026

Wealth Over Time

In-Depth Profile

Early Life

Iris Balbina Fontbona González was born in Antofagasta, Chile. She grew up in a Catholic family and attended a Catholic high school. At 17, she met Andrónico Luksic Abaroa, who was 15 years her senior, and they married a couple of years later.

Rise to Success

Iris Fontbona's rise to prominence began after the death of her husband, Andrónico Luksic Abaroa, in 2005. She inherited his business empire, which included Antofagasta PLC, a major copper mining company. Under her leadership, the family business grew, reaching new heights of success. Fontbona and her family control Antofagasta, which owns copper mines in Chile and trades on the London Stock Exchange. They also own a majority stake in Quiñenco, a Chilean conglomerate active in banking, beer, and manufacturing.

Key Business Strategies

Key strategies involve maintaining a significant presence in the copper mining sector through Antofagasta PLC. The company has diversified its holdings, including stakes in banking, beer, and manufacturing through Quiñenco. Jean-Paul Luksic is the current chairman of Antofagasta, while Andrónico Luksic, who headed up Quiñenco since 2013, stepped down in December 2023. Fontbona's leadership emphasizes collaboration, long-term growth, and innovation.

Philanthropy

Iris Fontbona is known for her philanthropy, particularly her support of the Chilean Telethon. She made record-breaking donations of $3.9 million in 2015 and $5.5 million in 2016. The family also runs the Fundación Familia Luksic, which supports educational, healthcare, sports, and entrepreneurship programs.

Career Milestones

2005

Inherited Business Empire

Following the death of her husband, Andrónico Luksic, she took control of Antofagasta PLC and other business interests.

2013

Guillermo Luksic's death

Iris's son, Guillermo Luksic, died of lung cancer.

2023

Andrónico Luksic stepped down

Andrónico Luksic, who headed up Quiñenco since 2013, stepped down in December 2023.

Philanthropy & Social Impact

Charity

Chilean Telethon

$3.9M

Donated a record CL$3.1 billion (approximately US$3.9 million) to the annual Chilean Telethon in 2015, a charity event supporting children with physical disabilities.

Charity

Chilean Telethon

$5.5M

Donated CL$4.4 billion (approximately US$5.5 million) to the annual Chilean Telethon in 2016, contributing to the event's fundraising records.

Charity

Fundación Familia Luksic

Unknown

The family runs a charitable foundation, Fundación Familia Luksic, which provides financing for educational and health, sports and entrepreneurship programs.

Controversies & Challenges

2022

Environmental Concerns

The Chilean government sued mining companies, including Antofagasta, alleging irreparable damage to an important aquifer in the Antofagasta region.