Since 2009 he has been Canon General of the Cathedral Chapter at the Wawel. Since September 2016, he has been the Dean of the Faculty of History and Cultural Heritage at the John Paul II Pontifical University in Krakow. He is the author of many publications, the most important of which are: Academic Canonries of the Krakow Cathedral Chapter (1795-1945), Kraków 1997, Wawel Cathedral (1795-1918), Kraków 2000, Political Background of the History of the Catholic Church in Central Europe 1815-1914. Historical Sketches, Kraków: PAT 2001, Sacred Art of Krakow in the 19th century, Kraków 2004, Wawel Cathedral after 1918, Kraków 2008, Karol Wojtyła’s – John Paul II Wawel Cathedral, Krakow 2009, 75 Years of the Church in Dzianisz, Kraków 2012, Saint Queen Jadwiga, Kraków 2012, Chronicle of the Wawel Cathedral 1934-1982, Kraków 2016, Bring Back Memory. 150th Birthday (Anniversary) of Cardinal Prince Adam Stefan Sapieha (1867-1951), Przemyśl 2017, Jewel in the Crown. 650th Anniversary of the Consecration of the Krakow Cathedral, Kraków 2018. Father Professor is the author of about 150 articles in book publications and journals.