Billionaire Profile

Global Rank

#3050

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Diamantis Diamantides & family

CEO, Shipping

GREECE

Real-Time Net Worth

$1.071B

Estimated based on Shipping stock value as of March 6, 2026

0% (24h)

Age

Source

Shipping

Industry

Logistics

Citizenship

GREECE

Biography

Diamantis Diamantides, a Greek shipping magnate, is the founder of Delta Tankers and Marmaras Navigation. Born on July 1, 1947, and currently 78 years old, Diamantides has built his wealth through the shipping industry. He established Marmaras Navigation in 1976 and Delta Tankers in 2006, amassing a fleet of 56 tankers and bulk carriers. Diamantides and his family have an estimated net worth of $1.1 billion as of February 2, 2026. His career has been marked by strategic investments and a focus on expanding his shipping operations. He is also known for his discreet philanthropy and support for education and science through the "Propontis" Foundation.

Fact Checked

Verified by Editorial Team

Live Data

Updated 3/6/2026

Wealth Over Time

Portfolio Holdings

Delta Tankers

Marmaras Navigation

In-Depth Profile

Early Life

Diamantis Diamantides was born on July 1, 1947, in Greece, and has a long-standing family tradition in the shipping industry. Diamantides initiated his career in shipping in 1976 with the founding of Marmaras Navigation.

Rise to Success

Diamantides founded Marmaras Navigation in 1976 and Delta Tankers in 2006. Diamantides' career has been characterized by a focus on fleet expansion and strategic investments. His company owns 56 tankers and bulk carriers. Diamantides' son, Paschalis, founded his own tanker firm, Velos, in 2019.

Key Business Strategies

Diamantis Diamantides focuses on fleet acquisitions and sales, often maintaining a low profile in the industry. Diamantides and his companies have been involved in the shipping of oil, including during periods of geopolitical instability. Delta Tankers has been confirmed as a buyer of vessels in court-led auctions, securing favorable deals.

Philanthropy

Diamantis Diamantides is known for his discreet philanthropy and his support of education and science through the "Propontis" Foundation.

Career Milestones

1976

Founded Marmaras Navigation

Diamantides established Marmaras Navigation, marking the beginning of his shipping ventures.

2006

Founded Delta Tankers

Diamantides started Delta Tankers, further expanding his shipping operations.

2019

Son founded Velos

His son, Paschalis, founded Velos, expanding the family's shipping interests.

Philanthropy & Social Impact

Education and Science

Propontis Foundation

Undisclosed

Supports education and science.

Controversies & Challenges

2023

Ukraine Sanctions

Delta Tankers was listed as a candidate for sanctions by Ukraine for alleged involvement in transporting Russian oil.

2016

Delta Pioneer Incident

The tanker Delta Pioneer struck a quay, leading to a $27 million settlement.

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