Christof Unterberger was born in Bregenz, Austria.
He received his first cello training at the Conservatory of Graz and later at the Higher School of Music in Graz with Prof.H.Posch and Prof.R.Leopold.  Following that he took his master’s courses under Phillipe Muller und Paul Tortelier. From 1991-1995 he studied at the "Conservatoire national superieur de musique" in Paris with Klaus Heitz, and then again with Phillipe Muller, under whose teaching he completed his concert diploma.

Christof works as a soloist and in chamber orchestras both in Austria and abroad. He has played "Beethoven's Triple Concert" under the direction of Fabio Luisi and has also performed concerts from Haydn, Vivaldi, Monn (Schönberg), Saint-Saens and Tschaikowsky.  Christof Unterberger is solo cellist with the Viennese Chamber Philharmonic, with the Viennese Schubert Ensemble, with the Viennese Chamber Opera and with the Ensemble Reconsil Vienna. 

Recently, Christof Unterberger has been working with styles of music outside the realm of classical music.Appearances with the Kenny Werner Trio, Arkardy Shilkloper and Marque have led him into the world of jazz and pop, where he works composing music for the Ensemble Reconsil and for film scores. He received the „Moondance Columbine Award 2006“ at the Moondance International Film Festival in Hollywood and was awarded "best film score" at the Dervio Film Festival in Italy.

Christof started a colaboration with L.A.based composer Jeff Rona in fall 2007.