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Billionaire Profile
Mustafa Rahmi Koç
Global Rank
#1677

Image: Rahil Rupawala | CC BY 2.0 | via Wikimedia Commons

Mustafa Rahmi Koç

CEO, Diversified
Istanbul, Turkey
Real-Time Net Worth
$2.51B
Estimated based on Diversified stock value as of September 10, 2026
-0.35% (24h)
Age
95
Source
Diversified
Industry
Diversified
Citizenship
Turkey

Biography

Mustafa Rahmi Koç is a prominent Turkish businessman and philanthropist, born on October 9, 1930. He is the Honorary Chairman of Koç Holding, Turkey's largest industrial conglomerate. His source of wealth is diversified, stemming from his leadership and ownership within Koç Holding, which operates across various sectors including energy, automotive, and finance. Rahmi Koç joined the Koç Group in 1958 and held several key positions. He served as Chairman of Koç Holding from 1984 to 2003. His career is marked by significant achievements in expanding the group's portfolio and professionalizing its management. He is known for his contributions to Turkish business and his philanthropic efforts. His net worth is estimated at $2.5 Billion. He is known for his support of Beşiktaş J.K., a prominent Turkish sports club.

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Data Updated
Sep 10, 2026
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Wealth Over Time

Net Worth History

YearNet Worth
2026$2.51B
2025$2.60B
2024$2.50B

Portfolio Holdings

Koç Holding

Koç Holding

KCHOL.ISdiversified
Ownership
63.4%
Market Cap
$10.9B
Stock Price
$186.7
Revenue
$64.7B
Istanbul, Turkey
120,219 employees
Founded 1926

In-Depth Profile

Early Life

Mustafa Rahmi Koç was born on October 9, 1930, in Ankara, Turkey. He is the only son of Vehbi Koç, the founder of the Koç Group. He attended Robert College in Istanbul and later studied industrial management at Johns Hopkins University, earning a Bachelor of Arts degree. He began his career in the family business in 1958 after completing his military service.

Rise to Success

Rahmi Koç joined the Koç Group in 1958, taking on roles at Otokoç Company in Ankara and Koç Ticaret. In 1964, when Koç Holding's headquarters moved to Istanbul, he became the general coordinator. He advanced, becoming chairman of the executive committee in 1970 and deputy chairman in 1975. He was appointed chairman of the Koç Holding management committee in 1980. On March 30, 1984, he succeeded his father, Vehbi Koç, as the chairman of Koç Holding, a position he held until 2003. He is now the Honorary Chairman of Koç Holding.

Key Business Strategies

Under Rahmi Koç's leadership, Koç Holding expanded its investments across various sectors, including automotive, consumer durables, energy, finance, retail, tourism, agriculture, and shipbuilding. He was instrumental in professionalizing the group's management while maintaining family ownership. Koç Holding's diversified portfolio contributed significantly to Turkey's economy, representing a substantial portion of the country's GDP and exports.

Philanthropy

Beyond his business leadership, Rahmi Koç is a well-known philanthropist. He established the Rahmi M. Koç Museum in Istanbul, dedicated to preserving the history of transportation, industry, and communications. He serves as the vice chairman of the Vehbi Koç Foundation's board of trustees, supporting education, health, and cultural initiatives, including the American Hospital in Istanbul and Koç University.

Career Milestones

1958

Joined Koç Group

Began working for the Koç Group after military service.

1964

General Coordinator of Koç Holding

Became the general coordinator when the headquarters moved to Istanbul.

1984

Chairman of Koç Holding

Succeeded his father as Chairman.

2003

Retired as Chairman

Handed over chairmanship to his son and became Honorary Chairman.

Philanthropy & Social Impact

Museum

Rahmi M. Koç Museum

Undisclosed

Established the Rahmi M. Koç Museum in Istanbul, dedicated to transport, industry, and technology.

Education, Health, and Culture

Vehbi Koç Foundation

Undisclosed

Serves as vice chairman of the board of trustees, supporting education, health, and cultural initiatives.

Environmental Protection

TURMEPA

Undisclosed

Honorary chairman of Turkish Marine Environment Protection Association.

Business Philosophy & Leadership

Notable Quotes

"Being a collector is, essentially, a passion. There is no rule that says lots of money will result in a beautiful collection."

Billionaires Connected to Mustafa Rahmi Koç

Peers in Diversified

All Diversified billionaires

Richest in Turkey

All billionaires from Turkey

Adjacent Global Ranks

Full global ranking

Frequently Asked Questions

What is Mustafa Rahmi Koç's net worth in 2026?
As of 2026, Mustafa Rahmi Koç's estimated net worth is $2.506 billion, ranking #1677 among the world's billionaires. The estimate is based on publicly available shareholding data and market prices, updated daily.
How did Mustafa Rahmi Koç make their money?
Mustafa Rahmi Koç's wealth primarily comes from Diversified, most notably through Diversified.
Where is Mustafa Rahmi Koç from?
Mustafa Rahmi Koç is from Turkey.
How old is Mustafa Rahmi Koç?
Mustafa Rahmi Koç is 95 years old.

Sources & References

Citations for this profile have not been published yet. Net worth figures here are estimates and should not be treated as verified. See our methodology for how these estimates are produced, or report a correction.