Alexander graduated in July 1999 summa cum laude from the University of Music in Kiev, Ukraine. After that he studied classical saxophone at the local Conservatory. Then he moved to Germany to study Jazz saxophone by Prof. Hugo Read at the renowned Folkwang University in Essen where he received the top grade "very good" in the final concert exam. He also studied clarinet, flute, and piano at Folkwang.
Alexander participated in numerous workshops of well known musicians, such as Uri Caine, Adam Nussbaum, Dave Liebman, John Goldsby , Zbigniew Namyslowski, etc. He collaborated with the likes of Randy Brecker, Michael Gibbs, Prof. Thomas Hufschmidt, Klaus Osterloh, ESSEN JAZZ ORCHESTRA, Peter Weiss, Maciej Tworek, Justus Frantz and many more.
He performed in Ukraine, Russia, Germany, Austria, Israel, Canada, Kosovo, Malta and recorded with various international CD productions, for example with the UFO-Bigband, Klezmer Singer Sopranist Iwona Bialek and the Band Iskra, the Tape Five Project, the famous Ian Tabachnik and his "President-Band", and with Gerth Medien German Publishing Company. Alexander gained recognition with his own groups Band Talmidim and Duo Grace with his wife Anna Berezhny and his collaboration with the German Mountain Army Band. He is also very active as a sideman in various projects in the German jazz scene.
"... Berezhny also proved to be an outstanding soloist. Big applause from a visibly inspired audience."(From a concert review of the band Talmidim)
Absolute upper-level league also the improvised jazz saxophone solo of master sergeant Alexander Berezhny in "Take a Look at Me Now" (Phil Collins)