Özkan Sümer

Sümer was born in Maçka and started to play football in his home town's club of Trabzonspor. After some time at Kardemir Karabükspor and Akçaabat Sebatspor, Sümer rejoined Trabzonspor. He was a successful defender of his team. During this time, he earned the nickname Deve Özkan due to his tallness and stubborn rough playing temperament.

After having ended his playing career, Sümer served as an instructor for a while at the TFF. He coached later the youth and amateur squads of Trabzonspor before he was appointed manager of the main team in 1978. Trabzonspor became 1.Lig champion with Sümer as manager in the seasons 1978–79 and 1980–81. In 1981, he was appointed manager of the Turkey national team. The national team played two matches under his managership losing both. He then transferred to coach Galatasaray in the 1982–83 season. Sümer was manager again at Trabzonspor in the seasons 1984–85, 1990–91 and 1998. In the season 2000–01, he coached Mobellaspor, a TFF Second League club in Konya.