He teaches singing, voice managing, breathing technics as well as phonetics of English with the area of expertise extending to French, Arabic, Chinese and Vietnamese pronunciation. He conducted numerous workshops and masterclasses for foreigners including several classes for English, French, Russian and Chinese speaking students. For eight past years Karnas has been occassionally conducting workshop in his home town Żory under the festival called Voicingers of which he is the artistic director. His workshops are meant for those who would like to engage in music-making using the human voice as their instrument.