Guido De Flaviis started to study saxophone with Maestro Claudio Ceschini in Teramo; he continued with Daniele Comoglio and Gianni Alberti at the conservatoire in Brescia and then he moved to Milan where he took a first-class honours degree under Maestro Mario Marzi’s guidance in 2004. He took active part in seminars held by famous Saxophonists such as J.M.Londeix, F.Moretti, A. Bornkamp, C.Delangle, V.David. In 2005 he moved to Amsterdam where in 2007 he finished, with honours, the Master Degree at the Dutch national academy of music “Swellinck”, under Henk van Twillert’s guidance. He won Scholarships (Dragoni, Ferrero, and the prestigious Top Talent in Netherlands) and was awarded the first absolute prize among all the categories of soloists in two international competitions and the second price in the chamber music category with his saxophone quartet “Overtone”. For some time now he has undertaken his concert activity with different chamber music groups: duo sax- guitar, sax and piano,quartet, with which he has performed at music festivals and concerts in the most famous Italian and European Theatres such as the “Ponchielli” in Cremona, the “Lingotto” in Torino, the “Dal Verme” in Milan, the “Grote Zaal” in Groningen, the “Cristofori”, the “Muziek Gebouw” in Amsterdam, and in Vienna. He has played with a lot of different orchestras like the “Scaligeri” ensemble of “La Scala”, the Cantelli orchestra of Milan, the woodwind and brass orchestra of Soncino; Camerata , Hromaton and ERT orchestras of Athens. In 2004 he took part in the making of the “R- Evolution Suite” record by G. Falzone ("Soul Note"editions ). In the 2008 moved in Athens were he took part for one year in the international saxophone quartet of T.Kerkezos. With this quartet he performed in important Festivals and Concert Halls as the”Megaron” in Thessaloniki, tne “Peterhof Palace” in S.Petersburg, the “ Megaron” in Athens. As a soloist he has been playing with the Youth Regional Orchestra “I Sinfonici” of Teramo for six years and since 2003 with the orchester “A.C.O. Val Vibrata” (AP); With them he has already more than fifty concerts to his credit. He is also a saxophone teacher at the state conservatory of Patra.