Mezue ahịrịokwu na-esonụ: A mụrụ Katsotas n'obodo nta Stamna dị na Aetolia-Acarnania na 1896. Ọ gụsịrị akwụkwọ na Hellenic Army Academy na 1916 dị ka onye agha nke abụọ, wee jee ozi na ndị agha ruo mgbe ọ lara ezumike nká na afọ 1929. Mgbe ọrịa ahụ malitere
Agha Greco-Italian na 1940, a kpọghachiri ya n'ọrụ, ma lụọ ọgụ n'ihu Albanian dị ka onye isi ndị agha na ọkwa nke lieutenant colonel. Mgbe ndị Germany wakporo Gris n'April 1941, ọ gbapụrụ n'obodo ahụ ma sonyere ndị agha nke gọọmentị Gris na-achụpụ na Middle East. O weghaara iwu nke 1st Greek Infantry Brigade, nke ya na ya lụrụ ọgụ na Agha nke Abụọ nke El Alamein.