He was born in the village of Mazeika near Kalavryta in 1891. He joined the Hellenic Army as a volunteer in 1910 and fought in the Balkan Wars of 1912–1913. He subsequently entered the NCO Academy and graduated as an Infantry Second Lieutenant in April 1914. He also fought in the Macedonian front of World War I and participated in the Greco-Turkish War of 1919–1922, being promoted to Lieutenant (1916) and Captain (1918) in the process.[1]
He occupied a series of staff and command posts in the interwar years, rising to Major (1923), Lt Colonel (1930) and Colonel (1934). At the same time, he pursued Law studies in the University of Athens. In 1937–1940, he commanded the Reserve Officers School. During the Greco-Italian War, he served as Infantry Commander of the 1st Infantry Division and later CO of the newly raised 15th Infantry Division.[1]
In 1944, at the eve of the Germans' departure from Greece, Spiliotopoulos was appointed as the representative in Athens and its suburbs of the Allies' Middle East High Command. Following liberation in October 1944, Spiliotopoulos became head of the Athens Military Command, and soon after commander of the new Officers' Training Centre before being appointed as Chief of the Hellenic Army General Staff on 16 May 1946, a post he held until 19 February 1947. From then until his retirement on 30 March 1948 he served as Inspector-General of the Army.[1]
^ abcd"Αντιστράτηγος ΣΠΗΛΙΩΤΟΠΟΥΛΟΣ ΠΑΝΑΓΙΩΤΗΣ του ΓΕΩΡΓΙΟΥ, ΑΜ 7032". Συνοπτική Ιστορία του Γενικού Επιτελείου Στρατού 1901–2001 [A Concise History of the Hellenic Army General Staff 1901–2001] (in Greek). Athens: Hellenic Army History Directorate. 2001. p. 167. ISBN960-7897-44-7.
§ Substitute Chiefs of the General Staff for the Rear Areas/Interior (as opposed to the Field Staff) † Deputy Chiefs substituting during vacancies ‡ Under the title "Chief of the Army"