Iris Fontbona

 

Basic Information

• Full name: Iris Balbina Fontbona González
• Born: 1942/1943 (widely reported; exact public birth date is not confirmed)
• Birthplace: Chile
• Nationality: Chilean
• Profession: Businesswoman, investor, mining magnate, media proprietor
• Known for: Chairing one of Latin America's wealthiest business families and controlling the Luksic business empire.

Early Life

• Raised in Chile and educated at a Catholic high school.
• Met businessman Andrónico Luksic Abaroa as a teenager.
• Married him in her early twenties and became involved in the family's business and philanthropic activities.

Marriage & Family

• Husband: Andrónico Luksic Abaroa (died in 2005)
• Children: Three sons:
  • Jean-Paul Luksic
  • Andrónico Luksic
  • Guillermo Luksic (died in 2013)

After her husband's death from cancer in 2005, Fontbona inherited control of much of the family's business empire and became its matriarch.

Business Empire

Iris Fontbona and her family control the Luksic Group, one of the largest business conglomerates in Latin America.

Its major holdings include:

Antofagasta plc

• One of the world's leading copper mining companies.
• Listed on the London Stock Exchange.
• Operates several major copper mines in Chile.

Quiñenco

A diversified Chilean holding company with investments in:

• Banking
• Manufacturing
• Transportation
• Energy
• Beverages

Banco de Chile

• One of Chile's largest commercial banks.

CCU (Compañía Cervecerías Unidas)

• A leading beverage producer in Chile and South America.

CSAV

• A major shipping company with global operations.

Wealth

Iris Fontbona is consistently ranked as:

• The richest person in Chile
• The richest woman in Latin America
• One of the wealthiest women in the world

As of March 2026, Forbes estimated the Fontbona family's real-time net worth at about US$43.9 billion, placing them among the world's richest families.

Leadership Style

Unlike many billionaires, Fontbona:

• Rarely appears in public
• Almost never gives interviews
• Delegates many day-to-day executive responsibilities to her sons while remaining the family's key decision-maker.

She is widely regarded as one of the world's most private billionaires.

Philanthropy

Fontbona has supported numerous charitable initiatives, particularly in Chile.

Notable contributions include:

• Multi-million-dollar donations to the annual Chilean Telethon, which funds rehabilitation services for children with physical disabilities.
• Support for education, healthcare, and community development through family foundations and charitable programs.

Personal Life

• Religion: Roman Catholic
• Known for maintaining an extremely private lifestyle.
• Avoids media attention and public speaking.
• Has never been known for maintaining a public social media presence.

Legacy

Iris Fontbona is recognized for:

• Preserving and expanding the Luksic family empire after her husband's death.
• Helping oversee one of the world's largest copper businesses.
• Becoming a symbol of long-term family wealth and stewardship rather than entrepreneurial self-promotion.

Quick Facts

Category	Details
Full Name	Iris Balbina Fontbona González
Nationality	Chilean
Born	1942/1943
Main Source of Wealth	Copper mining and diversified investments
Largest Company	Antofagasta plc
Other Major Holdings	Quiñenco, Banco de Chile, CCU, CSAV
Marital Status	Widow of Andrónico Luksic Abaroa
Children	Jean-Paul, Andrónico, Guillermo (deceased)
Estimated Family Net Worth (2026)	About US$43.9 billion (Forbes)