Career
He represented his nation Greece at the 2008 Summer Olympics, and also swam for Olympiacos in Athens. Chasiotis competed as part of the Greek swimming squad in the men"s 200 m backstroke at the 2008 Summer Olympics in Beijing. Chasiotis rounded out the field to last place and thirty-sixth overall in heat three of the evening prelims with 2:02.30, just two seconds slower than his entry time.