Przemysław Wierzbowski, born in Wloszczowa, in Swietokrzyskie voivodship. He has known Esperanto from 10 years. From 7 years he has run curses of this international language in Poland and abroad. The author of many translations to and from Esperanto. Membership in organizations: Polish Esperanto Youths (since 2006), Bialystok Esperanto Association (since 2006) and World Esperanto Association (since 2006).