Dr. hab. prof. UŁ Artur Gałkowski (University of Lodz, Poland)
Assoc. prof. dr. Olena Fomenko (Kyiv National Taras Shevchenko University, Ukraine)
Dr. Sanda Rapa (Institute of the Latvian Language of the University of Latvia, Latvia)
Dr. Christian Zschieschang (Sorbian Institute, Germany)