He studied composition at the University of Music and Performing Arts Vienna, where his main teachers were Martin Lichtfuss and Detlev Müller-Siemens, graduating with distinction in 2016. In addition, Hanke also studied organ at the same institute with Martin Haselböck from 2008 to 2012.
His compositions have been performed throughout Europe to critical acclaim and lauded with several awards: In 2003 and 2004 he got recognition awards of the Province of Burgenland and in 2010 he was awarded the First Prize at the nation-wide competition „Jugend komponiert“, to name a few.
Hanke’s works have been interpreted by ensembles and orchestras such as Ensemble Wiener Collage, the Symphony Orchestra of the Free State of Thuringia, WISE: Wien International Soloists Ensemble, Ensemble ARTakt, the Choir of the University of Music and Performing Arts Vienna, among others. His compositions have been performed in major concert halls like the Mozarteum Salzburg, the Haydn Hall of Schloss Esterhazy as well as the “Alte Schmiede” in Vienna.
Also active as a pianist, Gregor Hanke has performed in halls such as the Brahms Hall of the Musikverein Vienna as well as the Schlosstheater of palace Schönbrunn.
Furthermore, Hanke and his works have been featured on major radio channels like Ö1, 3Sat, W24 as well as the Bayerischer Rundfunk (Bavarian Broadcasting).
As a teacher in composition, Hanke taught at Webster University Vienna and within the framework of a study abroad program of the University of Oregon (USA).
Between October 2014 and 2015 he completed his compulsory alternative service in lieu of military service at a facility for the care of mentally disabled people.
His Suite for Organ has been published in 2010 by Doblinger Music Publishing (Vienna).