Hellenic Military Academy
Alexakis entered service in the Hellenic Army and graduated from the Hellenic Military Academy. Raised to become a military leader, he quickly climbed in ranks. His first measure of fame came early when Alexakis was 27 and received orders to proceed to Thessaloniki. He executed the order with the maximum of dispatch and his platoon was the first to enter Thessaloniki on 26 October 1912.