Studied opera singing at Faculty of Music arts in Belgrade (Serbia) and on Academy of Music Hanns Eisler in Berlin (Hochschule für Musik „Hanns Eisler”). Her tutors were Prof. Biserka Cvejic and Prof.Radmila Smiljanic as well as Prof. Norma Sharp, Kammersängerin Inge Borgh und Kammersängerin Brigitte Fassbaender.
Nena Brzakovic received many awards for her artistic work, among other the 1st Pries on Singing competition of former Yugoslavia, DAAD Pries and at International competition „Hilde Zadek” in Germany.
She sang diverse roles in her voice range, from Fricka and
Waltraute (Die Walküre), Zia Principessa (Suor Angelica), Ulrike (Ein Maskenball), Marzelina (La nozze di Figaro), Carmen (Strangers), Falsche Angele (Der Zar lässt sich fotografieren), etc.
Continuously she gives concerts and lieder recitals on international Stages in Europe, like in Lithuania, Belarus, Greece, Poland, Serbia, Austria, Ukraine and Germany, (Concert House in Berlin with Berlin Symphony Orchestra, in Berliner Dom, in Anhaltischen Theatre Dessau, in Maxim Gorki Theatre Berlin, on Uckermearkische Bühnen Schwedt, Hebbel Theatre Berlin, during Classic Open Air on Gendarmenmarkt in Berlin), Tirol Festspielen in Austria.
From 1998 to 2007 she was working as a docent on the Academy of Music Hanns Eisler in Berlin, teaching singing, breathing for singers and methodic.
Since 2006 she is the artistic and pedagogic director of Voice Institute in Berlin and is very popular lecturer on international singing master courses (Opera Festival Opera-Oder-Spree), Music Academy Vilnius- Lithuania, Summer academy in Poland, Berlin, etc. She constantly supports various opera productions and opera houses ( Komische Oper Berlin, etc.) working with professionals on their singing technique, breathing technique and interpretation. Since 2011 she is a lecturer for singing at the Faculty of Music in Cottbus, Germany.