Constantinos Martinos

Constantinos (Dinos) Martinos
Born	(1953-01-28) January 28, 1953 Glyfada, Athens, Greece
Occupation(s)	Shipowner, businessman, art collector, philanthropist
Years active	1960s–present
Known for	Founder and principal manager of Thenamaris Ships Management; prominent Greek billionaire in maritime industry

Constantinos (Dinos) Martinos (born 1953) is a prominent Greek billionaire and shipowner engaged in the maritime industry.

Early life and career

Martinos was born on January 28, 1953, in Glyfada, Athens, into the distinguished Martinos lineage. His mother, Athina Martinos (née Methenitis), was a pioneering female shipowner in Greece who established Thenamaris in 1971. He has a brother named Thanasis Martinos.

From a young age, Martinos was involved in the family’s shipping operations, assisting with fleet management starting in the mid-1960s. In 1972, together with his mother and siblings, he co-established Thenamaris Ships Management. Following the departure of his siblings, he assumed the role of principal manager. Today, Thenamaris commands a contemporary fleet exceeding 95 vessels, comprising tankers, bulk carriers, LNG carriers, and container ships.

In 2011, Lloyd's List placed him at number 67 in their ranking of the Top 100 most influential shipping personalities worldwide.

His estimated fortune amounts to $2.24 billion, ranking him 1690th on the global wealth scale.

Personal life

Martinos is a father to three children. His son Nikolas currently oversees Thenamaris, while another son, Ioannis Martinos, is the founder and head of the Signal Group shipping enterprise.

He is also recognized as a passionate art collector with a notable collection featuring pieces by Picasso, Twombly, Basquiat, and Warhol.

Philanthropy forms a significant part of his profile; notably, he contributed €10 million towards constructing a new 115-bed facility at the Asklipieio Hospital of Voula.