Sonia is one of the leading vocal pedagogues in Poland and abroad. He specializes in the field of vocal and vocal styling, is the precursor and promoter of the MIX technique in Poland. President of the Mentorian Council of the International Association of Vocal Arts Natural Voice Perfection NVP. Co-founder and Artistic Director of Cracow Institute of Vocal Art. Consultant of Krakow Opera. He cooperates with the Academy of Theater in Białystok and the Academy of Music in Cracow.