Billionaire Profile
Iris Fontbona & family
Global Rank
#53

Image: Public domain | via Wikimedia Commons

Iris Fontbona & family

CEO, Antofagasta PLC
CL
Real-Time Net Worth
$37.7B
As of December 2025
Age
82
Source
Mining
Industry
metals-mining
Citizenship
CL

Biography

Iris Fontbona & family, at 82 years old, is a prominent figure in the mining industry, primarily through their ownership of Antofagasta PLC, a major copper producer. With a net worth of $37.7 billion, she has consistently been ranked as the wealthiest person in Chile and one of the wealthiest women globally. Her wealth is derived from mining interests. Throughout her career, she has overseen the growth of the family business. She is also known for her significant philanthropic contributions, particularly to the Chilean Telethon. Fontbona is known for her low profile, she is the matriarch of the Luksic family.

Wealth Over Time

In-Depth Profile

Early Life

Iris Balbina Fontbona González was born in Chile in 1942 or 1943. Little is known about her early life, as she maintains a low public profile. She attended a Catholic high school and met Andrónico Luksic Abaroa at 17, marrying him when she was 20.

Rise to Success

Iris Fontbona inherited her wealth after her husband, Andrónico Luksic Abaroa, passed away in 2005. Her husband built a vast fortune in mining and beverages. The bulk of the business went to her three sons, with Jean Paul managing Antofagasta PLC, one of the largest mining companies in the world. Under her management, the family business grew significantly.

Key Business Strategies

Iris and her family control Antofagasta PLC, a Santiago-based mining company, and through Quiñenco, she also controls Banco de Chile, Madeco, CCU, and CSAV. CSAV is the world's 16th largest shipping company by TEUs. Fontbona's leadership style is characterized by conservative management and a focus on long-term growth.

Philanthropy

Iris Fontbona is known for her philanthropy. In 2015, she made a record-breaking donation of approximately $3.9 million to the annual Chilean Telethon. In 2016, she donated approximately $5.5 million, setting new fundraising records for the event. The family also supports philanthropic interests through the Foundation Familia Luksic.

Career Milestones

2005

Inherited Antofagasta PLC

Became the head of Antofagasta PLC after her husband's death, growing the family business.

2015

Record Donation to Chilean Telethon

Donated approximately $3.9 million to the Chilean Telethon.

2016

Further Donation to Chilean Telethon

Donated approximately $5.5 million, setting new fundraising records.

Philanthropy & Social Impact

Children's Welfare

Chilean Telethon

$3.9M

Donation to support children with physical disabilities in 2015

Children's Welfare

Chilean Telethon

$5.5M

Donation to support children with physical disabilities in 2016

Business Philosophy & Leadership

Notable Quotes

""The meaning of wealth lies in that it can bring positive changes to society.""

Leadership Principles

Conservative Management

Focuses on long-term growth and sustained control of investments.

Family Legacy

Preserving and building upon the family legacy, involving children in the business to ensure continuity.