Özer Türkmen used to be the head of the army of the TRNC (Turkish Republic of Northern Cyprus).He had served in the Military of Northern Cyprus since it's establishment in 27 June 1976, until he left the army in 8 September 1996 at the age of 57. From 27 June 1976 until 23 November 1978 he served as lieutenant colonel in charge of the 9th battalion. From 24 November 1978 until 19 Aughust 1981 he served as colonel and was in charge of the 3rd battalion from 24 November 1978 until 14 March 1980, and in charge of the 1st battalion from 15 March 1980 until 19 Aughust 1981. From 20 Aughust 1981 until 18 February 1985 he served as brigadier general, in charge of the second brigade from 20 Aughust 1981 until 27 September 1983, and head of the first brigade from 28 September 1983 until 18 February 1985. From 19 February 1985 until 8 September 1996 he served as major general and head of the only division in the army of the TRNC.
He was born in the british owned town of Lefkoşa in 12 April 1939. He died in 12 January 2010. He was married to Güray Türkmen (born 28 August 1937, still living). He was the father of Özay Beha (born 2 March 1968, still living), and Vahide Uzunoğlu (born 6 March 1964, still iving). He is the grandfather of Özer Beha (born 12 November 1996, still living), and Özlem Beha (born 20 May 2002, still living).