He studied Law at the University of Athens. In 1915 he enrolled in the school of Lieutenant-Commanders of the Gendarmerie, from which he graduated in 1920. In 1929 he was transferred to the City Police. He served in various positions, as Director of the Police Department, then became Deputy Commissioner and then Director of the General Security of Athens (1934 to 1936). In 1941 Deputy Director and Director of the Athens Police Department until 1951. From then on, Chief of the Metropolitan Police until 1954.

His long career was marked by his impeccable and ethical management. He rendered outstanding service in the prosecution of crime and law enforcement. But what made him special in society was, at the risk of his life, his care, escape, protection and rescue of persecuted Greeks and Jews from the German occupation army and the collaborators. In particular, he issued fake identity cards, participated in resistance organizations (Midas), cooperating with the British by sending them useful information by radio.

He used the pseudonyms Otto and Skylark No 1. According to testimonies, Evert issued 7,500 fake identity cards and saved thousands of Jews. His name is mentioned in the Jewish Golden Bible as a savior. Archbishop Damascene entrusted a British journalist (Mackaski) to him for escape, which he achieved in uniform, personally through the German blockades. He was awarded 13 medals and decorations, including the Superior Cross of the Order of the Phoenix, Legion of Honour, the “Righteous of Nations” award, etc.