Born in 1980 in Wroclaw. Studied art history at the University of Wroclaw. He then moved to Prague where he completed his film directing course at FAMU with the feature JOURNEY TO ROME. During his studies he made several shorts: ON SUNDAY (V nedeli, 2008), REMEMBERING MOTHER (Vzpominka na matku, 2008) and ANONYMOUS (Anonym, 2009). His short documentary CONDUCTOR (Dyrygent, 2009) came out as a supplement to a monograph on Zygmunt Molik. The film that earned him his bachelor’s degree, GIRL 180 (Holka 180, 2010), was shown at festivals around the world, including the Molodist IFF in Kiev. In 2013 Mielnik attended a workshop organized by the International Filmmaking Academy headed by Bernardo Bertolucci, Gian Vittorio Baldi and Abbas Kiarostami.