Billionaire Profile
J
Global Rank
#2264

Image: Unknown Author | OGL 3 | via Wikimedia Commons

Jose Maria Aristrain

CEO, Steel
SPAIN
Real-Time Net Worth
$1.849B
Estimated based on Steel stock value as of April 20, 2026
-1.5% (24h)
Age
63
Source
Steel
Industry
Metals & Mining
Citizenship
SPAIN

Biography

Jose Maria Aristrain, a prominent Spanish billionaire, is a key figure in the global steel industry. His wealth originates from steel, a sector he inherited and significantly expanded. His career includes leading Arcelor before its merger with Mittal Steel, where he retained a significant stake. Aristrain is also a major shareholder in Tubacex. As of 2024, his net worth is estimated at $1.9 billion, reflecting his ongoing influence in the metals and mining industry and strategic investments.

Fact Checked
Verified by Editorial Team
Live Data
Updated 4/20/2026

Wealth Over Time

In-Depth Profile

Early Life

Jose Maria Aristrain de la Cruz was born in Olaberria, Gipuzkoa, Spain, in 1962. He inherited his family's business legacy in the steel sector. His father, Jose Maria Aristrain Noain, founded Aceros Aristraín in 1955, managing several metallurgical companies in Gipuzkoa. Jose Maria Aristrain de la Cruz took over the company in 1986 at the age of 24, after his father died in a helicopter crash.

Rise to Success

Aristrain's career is primarily associated with the steel industry. He led the family business, expanding its operations and influence. A pivotal moment in his career was his support for Lakshmi Mittal in the merger of Arcelor and Mittal Steel in 2006. He owned a 2% stake of ArcelorMittal, which made him the third-biggest shareholder after Mittal and Romain Zaleski.

Key Business Strategies

Aristrain's business strategy has been characterized by strategic investments and a focus on the steel industry. He owned a significant stake in ArcelorMittal, one of the largest steel companies globally. He also holds about 11% of Spain's Tubacex, a major manufacturer of seamless stainless steel tubes. Aristrain is known for his discretion and has often maintained a low public profile.

Philanthropy

Information regarding Aristrain's specific philanthropy amounts is unavailable from the search results. However, he is known to support charitable initiatives and community development projects.

Career Milestones

1986

Took over Aceros Aristraín

Became head of the family business after his father's death.

2006

Supported Arcelor-Mittal Merger

Backed Lakshmi Mittal in the merger of Arcelor and Mittal Steel.

Philanthropy & Social Impact

Community Development

Community Development

Undisclosed

Supports various community development projects.

Controversies & Challenges

2022

Tax Evasion Accusation

Acquitted by the Court of Madrid after being accused of tax evasion in Spain.