Kostas has been involved in online marketing since 2002, when he launched his first website. He then went on to work for companies in marketing roles in Non-Profit, Publishing, Media, Travel & Marketing until he launched his own agency in 2007.

From there on he went to create a few businesses all with a strong marketing focus.

Caliston Digital was born as a rebrand of the first company Kostas set up. Caliston was born to broaden the horizon and scope of work that the agency could deliver after 12 years of experience in the sector.