Viller Valbonesi studied in Italy with Mauro Minguzzi, Pier Narciso Masi, Fabrizio Lanzoni. From 2007 he studied with Sergio Perticaroli at the "Accademia Nazionale di S. Cecilia" in Rom, where he achieved the Diplom in 2010 with "Summa cum laude" and from 2012 he studied with Fabio Bidini at the Hochschule "Hanns Eisler" in Berlin where he graduated as Konzertexamen in 2015. Viller has performed in Italy, Spain, Austria, Germany, Norway, Japan and USA, at venues such as Philharmonie and Konzerthaus in Berlin, Friedrich-Ebert-Halle in Hamburg, "Sala Petrassi" and "Sala S. Cecilia" in Rome, Sala dei Giganti in Padova, Teatro Malibran in Venezia, Troldhaugen in Bergen, Wiener Saal in Salzburg... He also performed as soloist with orchestras with many conductors, including Ovidiu Balan, Enrique Bàtiz, Christian Ehwald, Alberto Malazzi.
He is also active as a chamber musician and song accompanist. Since 2012 he is a member of the "Berolina Ensemble", recording 3 Cds with the label MDG. With this label he makes his appearance also as a soloist in the release „Rudorff Chamber Music“ (2015), interpreting Ernst Rudorff ́s piano works. The Berolina Ensemble won two times the prestigious „Echo Preis", the most important musical prize in German: the prize as "Best Ensemble of the year" in 2014 and the prize for the "best 19th century chamber music recording" in 2016.
Viller won other important prizes in many piano competitions, including Berliner Klavierwettbewerb, international Schubert Competition in Dortmund, International Arcangelo Speranza Competition in Taranto, International Val Tidone Competition, International Porrino Competition in Cagliari, International Scriabin Competition in Grosseto and „Premio Venezia“.
Viller is also a very active piano teacher: in the academic year 2015/2016 he was Fabio Bidini's assistent at the International Courses in Music Performance "Talent Music Masters" in Brescia . In 2015 he held the same role also at the Hochschule für Musik Hanns Eisler“ in Berlin. Since 2016 he teaches piano at the „Bela Bartok“ Musikschule in Berlin and secondary piano at the anns Eisler Hochschule für Musik Berlin.