Billionaire Profile
Theo Mueller
Global Rank
#585

Image: Public domain | via Wikimedia Commons

Theo Mueller

CEO, Müller Group
DE
Real-Time Net Worth
$6.4B
As of December 2025
Age
85
Source
Dairy
Industry
food-beverage
Citizenship
DE

Biography

Theo Müller is a prominent German businessman and the head of the dairy company Müller. He is known for transforming a small family dairy into a global conglomerate. Born in 1940, Müller took over the company in 1971, expanding it to include diverse sectors, including dairy production, packing, logistics, and fruit processing. Under his leadership, the company has grown to include 20 production sites, exports to over 80 countries, and a workforce of approximately 33,800 people. As of 2024, his estimated net worth is $6.4 billion.

Wealth Over Time

In-Depth Profile

Early Life

Theo Müller was born on January 29, 1940, in Aretsried, Germany. He grew up in a family deeply rooted in the dairy business, with his grandfather founding the Müller company in 1896 as a small village dairy. Müller's early life in a rural setting instilled a strong work ethic and a passion for agriculture, which would later shape his career.

Rise to Success

Müller took over the family dairy business in 1971, when it had only four employees. Under his leadership, the company experienced remarkable growth and diversification, becoming Germany's first dairy company to offer fresh milk products nationwide. He improved processing techniques and distribution infrastructure. The company expanded into various sectors, including dairy production, packing, logistics, transportation, fruit processing, and a fish restaurant chain. Müller made significant acquisitions, such as Robert Wiseman Dairies in 2012 and Dairy Crest's milk business in 2014, solidifying the company's position in the dairy industry. The company now employs over 20,000 workers worldwide.

Key Business Strategies

Müller's key business strategies included modernizing the dairy and transforming milk products into well-known brands. He focused on innovation in product development, such as introducing various flavors and styles of yogurt. His ability to evolve with changing consumer preferences has been a key driver of the company's success. The company has also expanded internationally through strategic acquisitions and the establishment of local production facilities.

Philanthropy

Theo Müller has been involved in numerous charitable initiatives, supporting causes aligned with his values. Müller Group has also taken steps to reduce its environmental footprint, including energy-saving measures.

Career Milestones

1971

Took over Müller company

Theo Müller took over the family-owned dairy business from his father.

1980s

Introduced Innovative Products

Müller introduced new products such as Müller Rice and various yogurt flavors.

2012

Acquired Robert Wiseman Dairies

The company acquired Robert Wiseman Dairies, strengthening its presence in the UK market.

2014

Acquired Dairy Crest's milk business

The company purchased Dairy Crest's milk business, further expanding its reach.

2022

Son took over as head of the group's supervisory board

His son Stefan Müller took over as head of the group's supervisory board.

Controversies & Challenges

2005

Attack on Photographers

Müller paid a settlement after attacking photographers.

2007

Alleged Association with Right-Wing Ideology

Accusations of close ties to right-wing or extremist ideologies have been made.

2025

Controversy surrounding birthday celebration

Invited AfD co-leader to his extravagant birthday party.