He would study in the faculty of sport at Ljubljana University between 1980 and 1984, before going on to joining the Territorial Defence of the Republic of Slovenia in 1988.

[1][2][3]In 1991, Geder actively participated in the Slovenian War for Independence, and serving as a commanding officer during the engagements in the area of Gederovci and Gornja Radgona.

[1][2][3] From 2004 to 2005, Geder would study at the Army War College, in the United States, and in 2010 he would be promoted to a Major General.

[6] This wage increase push came on the back of comments Geder made about staffing and equipment deficits the military was facing, during which he claimed that military needed an additional 1238 troops to meet staffing demands.

[9] Geder would be replaced on 28 November 2018 by Alenka Ermenc, who became the first female Chief of the General Staff for a NATO country.