Jacek Mikołajczyk is Theatre director and translator. Artistic Director of the Syrena Theatre in Warsaw, a lecturer at the Fryderyk Chopin University of Music in Warsaw. In 2012–2013 Fulbright Visiting Scholar at the University of Washington in Seattle. He also worked as a Visiting Lecturer at the Faculty of Artes Liberales at the University of Warsaw and as an Assistant Professor at the University of Silesia in Katowice. He translated many musicals, such as: Rock of Ages (2019, Syrena Theatre in Warsaw), Next to Normal (2019, Syrena Theatre in Warsaw), The Witches of Eastwick (2018, Syrena Theatre in Warsaw), Nine (2017, Musical Theatre in Poznań), Sister Act (2016, Musical Theatre in Poznań), The Addams Family (2015, Musical Theatre in Gliwice). He debuted as a theatre director in the Gliwice Musical Theatre with the musical The Addams Family by Andrew Lippa in his own translation, for which he received a prestigious Golden Mask award in the category of the best director. This performance was also recognized as the best music performance of the year by the Jan Kiepura chapter of the Theatrical Music Award. He directed musicals: Rock of Ages (2019), Next to Normal (2019), The Witches of Eastwick (2018) and The Addams Family (2018) in the Syrena Theatre in Warsaw and Sister Act (2016) and Nine (2017) in the Musical Theatre in Poznań. He is a graduate of cultural studies at the University of Silesia, music theatre direction at the State Academy of Theatre Art in Cracow, and the Academy of Music in Cracow. As a doctor of humanities, he is also active in the field of science. In 2010, he published the book Musical nad Wisłą [Musical at the Vistula River], the first and so far the only monograph of Polish musical.