Born in Istanbul, Sibel Tüzün received her early music training in the childrens chorus of Radio Istanbul, part of TRT, the Turkish Broadcasting Corporation.

During her high-school years Sibel displayed a keen interest in pop and rock. In 1986 she came 3rd in an established and prestigious Music Competition, open to all secondary schools in Turkey.
In 1988 Sibel was accepted to Istanbul University State Conservatory as the primary choice to the Opera and Concert Section. Alongside her classical training Sibel continued in developing her interpretation of jazz and pop. In 1991 Sibel chose to pursue a professional career in music and her early years are underpinned by successes in several prominent competitions.
In 1992 Sibel signed a contract with RAKS Music Productions. Her first album "US GIRLS" enjoyed a large success, partly due to the collaboration of song writers like Sehrazat, Iskender Paydas, Ümit Kuzer and Ozan-Kenan Dogulu, but also due to her unique interpretation and endearing stage-presence. Three tracks of this album featured as top hits and with the impetus gained from this work Sibel toured extensively for a period of two years both in Turkey and outside.

1994 saw her in London with Robert Bricknell concentrating on further developing her voice. Following her stay in London she started work on her second album "In Love, Breathless" achieved similar success with several her songs entering top hits listings. After completing her 1997 Tour of Europe Sibel started her own production company.
Her album "If this is life, count me out" released in 1998 contained eight songs with Sibel's lyrics. This album also demonstrated Sibel's talents in production adding to her reputation as a performing artist. The video clip of the title track, directed by Charles Richards raised considerable interest in the French music channel MCM.
After the publication of the songbook of Kirmizi at the end of 2004, Sibel suspended her musical activities until September 2005 to devote her full attention to her baby daughter ELAYA.
Outside her musical carreer Sibel is a keen sailor and an accomplished co-driver, having assisted the renowned rally driver Ethem Genim for two racing seasons.