Dimitri Papageorgiou was born in Thessaloniki in 1965. He majored in composition with Hermann Markus Pressl and Andreij Dobrowolski at the University of Music and Dramatic Arts at Graz in Austria. From 1998-2002 he held a Presidential Fellowship of the University of Iowa, U.S.A., for a Ph.D. in Composition with Donald Martin Jenni, Jeremy Dale Roberts, and David Karl Gompper. Since 2007, he is appointed as assistant professor of composition at the Department of Music Studies of the Aristotle University of Thessaloniki.
His works have been aired several times by the ÖRF (Austria), the Greek National Radio (3rd Program and 95.8), and several U.S. Radio Stations. He has appeared in festivals and conferences in Austria, Germany, Switzerland, Russia, Greece, Cyprus, Croatia, Turkey and several States of the U.S.A.. He has received commissions by several institutions and ensembles, such as SCI/ASCAP (U.S.A.), Institute for Electronic Music and Acoustics of the University of Music and Drama at Graz, Austrian National Radio and Literature Forum Graz, Thessaloniki Concert Hall, Ensemble Interface (Germany), Zeitfluss Ensemble (Austria), UMS & JIP (Switzerland), Trio IAMA (Greece), etc.
In 2008 he was composer-in-residence at the festival 4020.mehr als Musik Linz and in 2006 the Minoritensaal Graz programed Papageorgiou's composer's portrait. In summer 2012, his work "Effluences" has been heard at the 46th International Summer Course for New Music Darmstdat and in March 2013 Klangforum Vienna performed his work In the Vestige of the Present at the Vienna Konzerthaus.
He appeared in the discography in 2005 with the CD "Musing" by Capstone Records, NY, featuring his work "...d'ogne luce muto". In 2009 his work "In the Vestige of the Present" appeared on the CD "Present Perfect, Vol. 1" by Trio IAMA, which was released by Dissonarnce Records .
He is the co-founder of the dissonart ensemble the first non-state sponsorded new music ensemble in Greece.