Biography
Constantinos Martinos, born in 1953, is a Greek billionaire and a prominent figure in the shipping industry. He is the owner of Thenamaris, a leading shipping firm, and is the patriarch of a family with a significant presence in global maritime trade. His career began in the mid-1960s when he began managing the family fleet, with his mother Athina Martinos, a pioneering shipowner, co-founding Thenamaris in 1972. With an estimated net worth of $2.2 billion as of March 2026, Martinos has built a substantial fortune through shipping. His leadership has been instrumental in Thenamaris' growth, currently managing a fleet of 87 vessels, including tankers, bulk carriers, and container ships. His commitment to corporate social responsibility is evident through various philanthropic initiatives. Martinos's achievements have solidified his legacy in the maritime sector.