Constantin DUMITRIU discovered the guitar in 1987 under the directions of Eduard Pamfil. Advised by the same great guitarist and professor, he begins constructing the instruments which later will travel along and across Europe.
The professionalism, the importance of details and his creative passion, the willing to innovate and to experiment new techniques, those are the definitive attributes of the DUMITRIU classical guitars, used by great guitarist from the entirely world, like Hubert Káppel, Marcin Dylla, Thomas Kirchhoff, Dale Kavanagh, Stan Zamfirescu or Maxim Belciug.

Born on March 8, 1956 in Viforoasa (Mures), György Lörinczi began his guitar studies at the age of 18. He participated to some of the earliest editions of Sinaia Guitar Festival, where he receives "Honourable Mention" in 1984. Being also a jazz enthusiast, he was awarded the "Promotion Diploma" of Sibiu Jazz Festival, in 1984.

He studied and practiced geology until 1991, when, after several visits to Belgium and France, he decides to study lutes and their construction. In 2004 György Löinczi participated to Jonathan Edwards Lute Summer

Liviu GEORGESCU is the president of the Romanian Guitar Foundation and the organizer of Sinaia International Guitar Festival. He is a representative figure for classical guitar not only in Romania, but also for the international guitar community. By organizing the Sinaia Guitar Festival, master classes and recitals, Liviu Georgescu has the merits of connecting the young Romanian guitar community to the larger and more experienced international community. He teaches classical guitar at "George Enescu" Music High School, Bucharest, his students being laureated in important national and international guitar competitions.

Eugen MANG is a guitarist and teacher of German and Romanian origin. After graduating the "Richard Strauss" Academy of Music in Munchen, he returns to Bucharest, Romania where, alongside other Romanian teachers, he creates a strong guitar school.
His students, like Mircea Gogoncea, Stan Zamfirescu, Ionut Zamfirescu and Georgeta Zamfirescu, won numerous national and international guitar competitions and they are today professional classical guitar players. He is regularly invited to juries and master courses in international music competitions.

Aurelian Andrei graduated the "George Enescu" Academy of Music, Iasi. He teaches classical guitar at "Dinu Lipatti" Music Highschool in Bucharest. His activity includes participation to different artistically events from Romania and abroad like International Guitar Festival Sinaia, where he obtains three prizes.

In 2000, alongside his brothers Constantin and Adrian, he forms "Andrei Guitar Trio", one of the most successfull Romanian guitar trios.