Lieutenant General Tage Dennis Gyllensporre, né Öztürkmen[1][2] KmstkSO (born 14 July 1964) is a retired senior Swedish Army officer.

[4] Gyllensporre was commissioned as an officer in the Swedish Armed Forces in 1987 and was assigned to Norrland Signal Regiment (S 3) in Boden, where he served as platoon leader and company commander from 1987 to 1995.

[4] During this time Gyllensporre also studied at the Swedish National Defence College from 1993 to 1994 and from 1995 to 1997 and he attended the University of Warwick from 1994 to 1997 when he received a Master of Business Administration in Corporate Strategy.

[5] Gyllensporre served as Chief Operations Officer of the Joint Military Commission (JMC) in the Nuba Mountains, Sudan from 2003 to 2004 before returning to the Ministry of Defence in Stockholm the same year.

Gyllensporre then served as Chief of Doctrine and Concepts Branch, Policy & Plans Division, European Union Military Staff in Brussels, Belgium from 2005 to 2008.

[5] During this time Gyllensporre also served as Chief of Staff of the Regional Command North Headquarters of the International Security Assistance Force (ISAF) in Mazar-i-Sharif, Afghanistan in 2008.