Dorian LPG's John Hadjipateras demonstrably wears a face mask as he begins delivering a personal video message to the company’s seafarers.

“Your safety and welfare will not be compromised by us,” the president and chief executive told staff in the address that is still on Dorian LPG’s website.

Health, safety and crew-change restrictions during the first wave of the Covid-19 pandemic were the biggest challenges faced by the company — a gas carrier owner with a deep Greek heritage.