Calamos Supports Greece

Georgios-Ioannis Tsianos

Greek Doctor and Super Athlete to Participate in Sahara 'Marathon des Sables'

Next stop: The Sahara desert. This is the next big challenge for the Greek doctor and super athlete Georgios-Ioannis Tsianos, who will participate in the infamous “Marathon des Sables” -- known as the sand marathon -- which will take...