The cornetist Costas Siskos was born in Corfu in 1973. He studied in Athens, initially at the Raymondis Conservatory and then at the "Orfeio" Conservatory, where he received his Diploma in 1994, under the tutelage of Spyros Kaisaris and Vangelis Skouras. In 2000 he entered the Gratz Academy for Postgraduate Studies with Hector McDonald, where, in addition to the contemporary French horn, he studied the Viennese and natural horn.
He was born in Corfu. He studied in Athens, first at the Raymondi Conservatory and then at the Orfeio of Athens, where he received his diploma in 1994, with Spiros Kessaris and Vangelis Skouras as professors.
In 2000, he was admitted to the University of Music and Performing Arts Graz for postgraduate studies with Hector McDonald, where, apart from modern French horn, he studied the Vienna and the natural horn.
As a soloist, he has collaborated in Greece with the Chamber Orchestra of the Greek National Opera, the Athens State Orchestra, the Orchestra of Patras, the Camerata – Friends of Music Orchestra and the Thessaloniki State Symphony Orchestra in works by Haydn, Mozart, Hübler, Antoniou and C. Hatzis, and in Austria with the Orchestra of the Graz University in the Horn Concerto No. 1, Op. 11 by R. Strauss.
He has collaborated in Greece with the Greek National Opera, Camerata, the Athens Symphony Orchestra and the Orchestra of Patras, in Austria with Vienna Symphony, Concentus Musicus and Wiener Konzertverein, in Constantinople with the Philharmonic Orchestra of Borusan, in the Czech Republic with the Orchestra of the Prague State Opera, under the direction of internationally-renowned masters such as Nikolaus Harnoncourt, Kent Nagano, Ádám Fischer, etc.
In 2000, he took the permanent position of the first Principal horn of the Orchestra of the Greek National Opera and three years later the position of first horn of the Athens State Orchestra, of which he is currently a permanent member.