Stefano mainly deals with the external service of KLAVIERART: tunings, intonations and fine-tuning of the pianos of theaters, conservatories, concert halls and private clients, both in Switzerland and in Italy.

Trained with highly experienced technicians such as Fabio Angeletti (Steinway Academy) and Silvano Carnazza (Teatro Alla Scala), during his career he has held several courses and seminars on how to perfect and enhance the sound of the piano.