Billionaire Profile
Marie Besnier Beauvalot
Global Rank
#369

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Marie Besnier Beauvalot

CEO, Cheese
FRANCE
Real-Time Net Worth
$9.362B
Estimated based on Cheese stock value as of April 20, 2026
0% (24h)
Age
45
Source
Cheese
Industry
Food & Beverage
Citizenship
FRANCE

Biography

Marie Besnier Beauvalot is a French billionaire heiress, a major shareholder of the world's largest dairy conglomerate, Lactalis. Born in Laval, France, on July 30, 1980, she inherited her stake in the family-owned company alongside her two brothers, Emmanuel and Jean-Michel, following their father's death in 2000. With an estimated net worth of $10.8 billion as of March 2026, Marie has a strong commitment to the dairy industry and supports various charitable organizations. She resides in Laval, where Lactalis is headquartered, and maintains a private lifestyle.

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

Wealth Over Time

In-Depth Profile

Early Life

Marie Besnier Beauvalot was born in Laval, France, on July 30, 1980. She is the daughter of Michel Besnier, the former CEO of Lactalis, and Christiane Besnier. Her grandfather, André Besnier, founded the Besnier Group, which later became Lactalis, in 1933. Growing up in Laval, she was immersed in the world of dairy and cheesemaking.

Rise to Success

After her father's death in 2000, Marie, along with her two brothers, inherited their family's stake in Lactalis. She holds an estimated 21% ownership of the company, contributing significantly to her wealth. While the exact details of her professional roles are kept private, her involvement in Lactalis has been pivotal to the company's global expansion and success. Lactalis is the largest dairy producer in Europe and one of the largest globally.

Key Business Strategies

Marie Besnier Beauvalot has been involved in the strategic decisions that have led Lactalis to expand its global presence. Lactalis has expanded operations into markets in China and Southeast Asia. The company's growth is fueled by successive generations of leadership. Emmanuel Besnier, her brother, is the current CEO.

Philanthropy

Marie Besnier Beauvalot is known for her philanthropic efforts. She supports charitable organizations and initiatives aimed at promoting health and nutrition. Notably, she is involved with the Milk for Good endowment fund, which has supported the La Source association, and helped set up France's first integrated pediatric oncology center with the Curie Institute in Paris.

Career Milestones

2000

Inherited Lactalis

Inherited her stake in the family-owned dairy company Lactalis with her two brothers.

Philanthropy & Social Impact

Health and Nutrition

Milk for Good endowment fund

Unknown

Supports the La Source association offering art workshops and the Curie Institute.

Controversies & Challenges

2024

Tax Evasion Allegations

Lactalis was the target of a preliminary investigation by the French National Financial Prosecutor's Office (PNF) into aggravated tax fraud and aggravated laundering of tax fraud.