Prof. THEODORA PAVLOVITCH is a Professor in choral conducting at the Bulgarian National Academy of Music, at the Sofia University and at the New Bulgarian University (Sofia). In 1986 and 1991 she was a Choir-Master of the professional Chamber Choir with the Bulgarian National Television. Since 1991 she is a conductor of Vassil Arnaoudov Sofia Chamber Choir. From 2005 on she is also a permanent conductor of the professional Classic FM Radio Mixed Choir.Prof. Pavlovitch is a regular member of juries at international choral competitions and a lecturer at prestigious music events in Europe, USA, Japan, Hong Kong, Taiwan, South Korea, Israel. In 2005 she lead a Masterclass in conducting at the 7th World Symposium on Choral Music in Kyoto, Japan. In 2007/2008 she conducted a Session of the World Youth Choir , honoured by UNESCO with the title Artist for Peace, recognizing the WYC's success as a platform for intercultural dialogue through music. Since 2008 Theodora Pavlovitch is a Vice President of the International Federation for Choral Music (IFCM). For her artistic achievements, Prof. Pavlovitch has been awarded the Golden Lyre – the highest award for musicians in Bulgaria, as well as many other special prizes by Ministry of Culture of Republic of Bulgaria, by the Bulgarian Choirs Union and by Classic FM Radio.

Prof. VASSIL ARNAOUDOV

(1933 - 1991), the choir's conductor since its foundation and up to 1991, is an outstanding figure in Bulgaria's cultural life. A name of world renown and prestige, he embodies the best of the national choral conducting school. A teacher of long-standing at the Sofia Musical Academy, he has created a whole generation of young talented conductors who provide the face of contemporary choral art and performance in Bulgaria, and in a number of foreign countries. His pupils are now working in Germany, Denmark, Finland, France, Belgium and the USA. Professor Arnaoudov is the first President of the Bulgarian Choral Union.

IRINA STIGLICH

(1933 - 2007) - had been a key force behind the Choir since 1966. A versatile musician, chamber performer and accompanist (organ, cembalo, piano) of great esteem, she was also a vocal teacher and conductor. Irina Stiglich was known for her erudition and expertise in Renaissance and Baroque music. She was also a visiting lecturer in musical interpretation at "Krustyo Saraffov" National Academy of Theatre and Film Arts.