Hellenic Military Academy
In 1916, he served as professor of tactics at the Hellenic Military Academy, followed by a staff position in the staff of the III Army Corps. During World War I, he served as chief of staff of an infantry division on the Strymon River front, and later as vice-chief of staff to the General Headquarters in Smyrna in February 1920. In March 1920 he was transferred to the Army of Thrace under Lt General Emmanouil Zymvrakakis.