Billionaire Profile
Mitchell Rales
Global Rank
#917

Image: Public domain | via Wikimedia Commons

Mitchell Rales

CEO, Danaher Corporation
US
Real-Time Net Worth
$4.4B
As of December 2025
Age
69
Source
Manufacturing, investments
Industry
manufacturing
Citizenship
US

Biography

Mitchell Rales is an American businessman, art curator, and philanthropist. He is best known for co-founding Danaher Corporation, a global science and technology company, with his brother Steven Rales in 1984. Rales, currently chairman of the executive committee for Danaher, has been instrumental in the company's growth. He also co-founded the Glenstone Museum with his wife, Emily Wei Rales, and is a key figure in the art world. With a manufacturing and investment-focused source of wealth, Rales has an estimated net worth of $4.4 billion.

Wealth Over Time

In-Depth Profile

Early Life

Mitchell P. Rales was born in August 1956, in Pittsburgh, Pennsylvania, and grew up in Bethesda, Maryland. He graduated from Walt Whitman High School in 1974, where he was captain of the football and baseball teams. Rales earned a degree in business administration from Miami University in 1978 and was a member of the Beta Theta Pi fraternity.

Rise to Success

In 1979, Rales co-founded Equity Group Holdings with his brother Steven. They used junk bonds to acquire a variety of businesses. In 1984, they renamed the company Danaher Corporation. Under Mitchell Rales's leadership as Chairman of the Executive Committee, Danaher grew into a global manufacturing conglomerate. Danaher's success is attributed to the Danaher Business System, which emphasizes continuous improvement and customer satisfaction. Rales has also been involved in other ventures, including a bid for Interco and founding Colfax Corporation, later rebranded as Enovis.

Key Business Strategies

Rales and his brother focused on acquiring top firms and applying the philosophy of continuous improvement, as exemplified by the Danaher Business System. Danaher's strategic acquisitions and operational improvements have driven substantial growth. Rales's leadership has been critical in Danaher's evolution into a leading science and technology company.

Philanthropy

Mitchell Rales and his wife, Emily Wei Rales, established the Glenstone Museum, a private museum showcasing post-World War II art, in Potomac, Maryland, in 2006. In 2021, Rales donated $1.9 billion to the Glenstone Foundation, which operates the museum. He is also the president of the National Gallery of Art. Rales signed The Giving Pledge, committing to donate the majority of his wealth to charitable causes.

Career Milestones

1979

Co-founded Equity Group Holdings

Founded Equity Group Holdings with his brother Steven Rales.

1984

Co-founded Danaher Corporation

Co-founded Danaher Corporation with his brother Steven Rales, serving as Chairman of the Executive Committee.

2006

Co-founded Glenstone Museum

Co-founded the Glenstone Museum with his wife, Emily Wei Rales.

2019

President of the National Gallery of Art

Became President of the National Gallery of Art.

2023

Elected to American Academy of Arts and Sciences

Elected as a member of the American Academy of Arts and Sciences.

Philanthropy & Social Impact

Arts

Glenstone Museum

$1.9B

Donated $1.9 billion to the Glenstone Foundation in 2021.