Prior to his appointment, Glavaš served as commander of the 1st Brigade of the Slovenian Armed Forces.

[1] Robert Glavaš has been employed in the Slovenian Armed Forces since 1991.

He began his military career at the Yugoslav People's Army Reserve Officer School in Zadar and later joined the Territorial Defense of the Republic of Slovenia.

Prior to becoming Deputy Chief, he was the Commander of the 1st Brigade of the Slovenian Armed Forces.

[2] In April 2020, the Government of the Republic of Slovenia appointed Glavaš as Chief of the General Staff of the Slovenian Armed Forces.