Dimitris Leontzakos was born in Kavala. He introduced himself to music by playing the clarinet, flute and the recorder. He dedicated himself to the clarinet. He graduated from the Synchrono Conservatory of Thessaloniki (class of K. Papadopoulos). He also studied the clarinet with Gerd Starke (Music Academy of Munich, Germany), Anton Hollich (Baden-Baden), Vincenzo Mariozzi (Santa Cecilia Music Academy, Rome) and Richard Faria (Fulbright Scholarship, Ithaca College, New York, U.S.A).
He participated in Masterclasses with Charles Neidic, Aurelian Popa, Walter Boeykens and Michel Letiec.
He has performed in many countries participating in chamber music concerts and summer festivals of contemporary music e.g. those of Athens , Thessaloniki and other cities of Greece as well as in Germany, Poland, Italy, Turkey, Bulgaria, USA etc ery often presenting works in first performances.
He now permanently performs with the Thessaloniki City Symphony Orchestra. He has also performed with the Volos Symphony Orchestra, as well as the Symphony Orchestra of Katerini Music School and Symphony Orchestra of Serres Music School. He teaches the clarinet in the Filippos Nakas Music Conservatory in Thessaloniki and the Municipal Conservatory of Thermi.He has co-founded the contemporary music ensemble ‘OMAδA 3 plus’ (clarinet, violin & piano) and he is member of the contemporary music ensembles “Idée fixe” and “Terra Incognita” (Jazz, Experimental).