Diamantis Diamantides & family

Diamantis Diamantides owns Greek shipping firms Delta Tankers and Marmaras Navigation.

He founded Marmaras Navigation in 1976 and started Delta Tankers in 2006. Together, the firms own 55 tankers and bulk carriers.

His son Paschalis founded his own firm, Velos, in 2019. Velos owns 14 tankers and dry cargo ships.

Diamantides also owns large land holdings in the Astir peninsula, a wealthy enclave south of Athens on the Aegean coast.