dr hab. n. med. Lidia Postek-Stefańska (Poland)
dr n. med. Katarzyna Szczeklik (Poland)
prof. Louis Hardan (Bejrut, Lebanon)
dr hab. Jerzy Krupiński prof. nadzw. (Poland)
dr n. med. Maciej Żarow (Poland)
tech. dent. Kamilla Siekierski (USA)
Dr Maciej Zarow graduated from Semmelweis University in Buda-pest in 1995. After a three-year training programme he achieved specialization in operative dentistry in 1999. From 1998 until 2005 he was teaching at the Jagiellonian University in Krakow. There, in 2002, he defended his PhD and, in 2005, he achieved special-ization in endodontics. He is also the co- author of more than 100 papers published in Polish and international journals. Dr Zarow is the author of a book called „Endo-Prosthodontics”: Guidelines for Clinical Practice, published by Quintessence Publishing (in Polish, Russian, English, French, Croatian, Chinese). His second book „Veneers” (Polish edition) has just been published in Warsaw by Quintessence Poland. 2012-2016 he has been editor-in-chief of the dental magazine Medycyna Praktyczna - Stomatolo-gia. Since 2020 he is editor-in-chief of Polish edition of Quin-tessence Int. An active member of the Polish Academy of Aes-thetic Dentistry, active and board member of European Society of Cosmetic Dentistry. Dr Zarow has lectured extensively inter-nationally. Visiting Professor of University in Chieti (Italy) 2015-2016, lecturer for postgraduate master programs at UIC in Barce-lona (since 2012). He is a Graduate and Mentor of Kois Center in Seattle, USA. He is a Honorary Member of Style Italiano. He has run his private dental clinic since 1999 and postgraduate course center, since 2003, in Krakow, Poland.