Poet and writer (b. 11 January 1960, İstanbul). His full name is Orhan Kâmil Kâhyaoğlu. He has used Umut Bensan as a pen name on some musical works. He attended Üsküdar İcadiye Primary School and graduated from Kadıköy Maarif Collage (1979) and İstanbul University, Faculty of Economy, Department of International Relations (1984). He published the reviews İmge /Ayrım (3 issue, 1984), Sombahar (35 issue, 1990-96) and Ludingirra (11 issue, 1997-99). He worked as head of the editorial department at Studyo İmge (1985-89). He directed Korsan Publishing of which he was one of the founders (1990-96). He was a text writer and advisor for some music programs that were prepared by the Turkish Radio and Television Corporation’s İstanbul Television. He continued as Head of the Music Department at Academy İstanbul.
His first article (with Z. Coşkun) was published in the review İmge / Ayrım (1st issue, 1984) and his first poem in Şiir Atı (4th issue, 1987). Since then his work has been published in the reviews İmge/Ayrım, Stüdyo İmge, Varlık, Gösteri, Şiir Atı, Sombahar, Milliyet Sanat, Ludingirra, Jazz and the newspapers Güneş, Milliyet, Hürriyet and Evrensel.
POETRY: Hoyrat Bir Ruhun Eksilme Tabloları (Diminishing Scenes of a Clumsy Soul, 1993), Aşk ve Harf (Love and Letter, 2000).
RESEARCH: Pink Floyd, (with S. Güler, 1984), Jethro Tull (1991), Bülent Ortaçgil-Ayrı Düşmüşüz Yan Yana (Bülent Ortaçgil- We Became Separated from Each Other Side by Side, 2002).
ANTHOLOGY: Mor Külhani-Ece Ayhan Şiiri (Purple Hood-Poem of Ece Ayhan, 2004).