Trombone, bass & piano player and the conductor of Istanbul Superband Aycan Teztel started his music life in 1970 at the Istanbul Municipal Conservatory. He graduated from the trombone department in 1979. The same year he entered Rotterdam Conservatory in The Netherlands and studied for five years with Gerard Velthuijsen.

In 1983, he attended the Metropole Orchestra’s workshop and graduated from the conservatory in 1984. In 1985, Teztel started teaching at the Mimar Sinan University in Istanbul. In 1989, he entered Boston University SFA's graduate program with the "Director's Award." Here, he studied with Norman Bolter. While playing with B.U. Jazz Lab Big Band, he had a chance to play with renowned musicians such as Randy Brecker.

He completed his master’s degree at the Mimar Sinan University State Conservatory in 1993. Aside from his classical projects, he formed the Istanbul Superband (big band) in 2002, uniting the best jazz musicians of Turkey. He conducted this band in many performances, with Grammy winning artists, such as Dianne Reeves, Dee Dee Bridgewater, Natalie Cole and Kurt Elling. Teztel has also performed with many prominent artists, such as Clifford Jordan, John Scofield, Dzhihan & Kamien, Nicola Conte, Sammy Figueora, Giovanni Hidalgo and Dave Weckl in various projects.