Capt. Dimitrios Mattheou began his career at sea as a ship's captain before moving into shore-based management. At the time of his Mare Forum appearances he was Chief Executive Officer of Arcadia Ship Management and Managing Director of Aegean Bulk, and chaired the Green Award Foundation, the incentive scheme for high-quality, safe and environmentally sound shipping. He has received the Efkranti Best Manager Award (2016) and the GREEN4SEA Personality Award (2017), and has lectured as a guest speaker at maritime academic institutions.
Mattheou was a Mare Forum keynote speaker at the Green Award's 25th Anniversary event (2019) and a panellist at the 19th Mare Forum Ship Finance and 3rd Mare Forum Mykonos, both in 2019.