Sotiris Drikos served as an assistant coach of Greece's national team from 2011 to 2013 before his appointment as head coach in 2013. He then oversaw Greece's men's team silver medal performance in the 2014 European League. Before their appearance at the 2015 World League, Greece had not featured in the tournament since 2005. Drikos, from Piraeus, has also spent time coaching multiple Greek club teams, winning two Greek Cups and one national championship in the process. Drikos, who completed specialised schooling in sports coaching, has written several articles on the subject, which have been published in international journals.