
Admiral Evangelos Apostolakis is a Greek naval officer. After leading the Hellenic Navy General Staff in 2013–2015, he served as the Chief of the Hellenic National Defence General Staff until 14 January 2019, and then, until 9 July 2019, as the Minister of National Defence of Greece.

Konstantinos Dovas was a Greek general and interim Prime Minister.

Air Chief Marshal Ioannis Giangos is a retired Greek Air Force officer and a former Chief of the National Defense General Staff of Greece. He served as an interim Minister for National Defence in the Caretaker Cabinet of Vassiliki Thanou-Christophilou.

Agamemnon Gratzios or Gratsios was a Greek Army officer who rose to the rank of full General, and held the posts of Chief of the Hellenic Army General Staff and of the Hellenic National Defence General Staff.

General Michail Kostarakos is a Hellenic Army officer who served as Chief of the Hellenic National Defence General Staff in 2011–2015 and as Chairman of the European Union Military Committee in 2015–2018.

Alexandros Papagos was a Greek Army officer who led the Hellenic Army in World War II and the later stages of the Greek Civil War. The only Greek career officer to be raised to the rank of Field Marshal, he became the first Chief of the Hellenic National Defence General Staff from 1950 until his resignation in 1951. He then entered politics, founding the Greek Rally party and becoming the country's Prime Minister after his victory in the 1952 elections. His premiership was defined by several events. The Cold War, and the aftermath of the Greek Civil War; Greece becoming a member of NATO; American military bases were allowed on Greek territory; a powerful and vehemently anti-communist security apparatus was created; and the communist leader Nikos Ploumpidis was executed by firing squad. His tenure also saw the start of the Greek economic miracle, and rising tensions with Britain and Turkey over the Cyprus issue.

Ioannis Veryvakis was a Greek Army officer who rose to the rank of full General, and held the posts of Chief of the Hellenic Army General Staff and of the Hellenic National Defence General Staff.