Sándor Mester, documentary film and classical music producer, produced several high-quality classical music projects focusing on Roma people, Roma children in small villages with bad social backgrounds. He has been doing special educational programs in Hungary for Roma children as well as training young classical musicians and organized lots of tours in Hungary, Poland, Czech Republic, Slovakia, Romania, Serbia and Ukraine. He has been working together with Eszter Hajdu as a producer from 2007. He is responsible for financing, administration and production management.