Yamaç Telli was born in Istanbul on February 9, 1988. Yamaç Telli started playing the piano at the age of four and won second place in the piano category at the International Youth Festival held in Chisinau in 2001 and was invited to this competition as a jury member in 2007. In 2003, while he was a student in Ankara, he founded the music group 51 Promil. In addition to being a musician, he has also acted in TV series such as Behzat Ç. Bir Ankara Polisiyesi, A Love Story and Diğer Yarım.