Born in 1957 in Czaplów, in the Holy Cross Mountains, Sikora graduated from the Szermentowski High School of Art in Kielce, studying philosophy and pedagogy (1978-1982). He went on to study sculpture at the Art and Pedagogy Faculty of Silesian University in Cieszyn, graduating in 1986. He has been involved in teaching art professionally ever since.  

Currently, Sikora is a lecturer at the Fine Arts Institute of Jan Kochanowski University in Kielce 

and simultaneously runs a sculpture studio there. As well as teaching he makes sculptures, installations and various art experiments. Through this venture, Sikora has had many solo exhibitions and taken part in numerous group exhibitions in Poland and abroad. He has taken part in workshops and seminars on modern art. He lives and works „in the shade of  big mountain” in the Holy Cross Mountains.

Major solo exhibitions:

BWA „Zielona” Gallery, Busko-Zdrój, Poland, 1992, 1999, BWA Cieszyn, The University Gallery of Modern Art, Poland, 1993, W& K Gallery, Wittstok, Germany, 1994, Season Art Gallery, Peppelov, Germany, 1994, SBWA Sculpture Gallery, Warsaw, Poland, 1999, BWA „Piwnice” Gallery, Kielce, Poland, 2000, Academy of Fine Arts, Krakow, Poland, 2000, „Przykrótka” Gallery, Sandomierz, Poland, 2003, Sculptors’ Union Gallery, Gdańsk, Poland, 2007, John Paul II Hall Gallery, Łódź, Poland, 2007, The Castle Chapel Gallery, Szydłowiec, Poland, 2007, „XS” Gallery, Kielce, Poland, 2010, BWA Gallery, Sandomierz, Poland, 2010, „Rogatka” Gallery, Radom, Poland, 2011, „ROK” Gallery, Bielsko-Biała, Poland, 2011, Galeria XX1, Warszawa, Poland, 2011, ZPAP Art Gallery, Tarnów, Poland, 2012, Museum of History, KamieniecPodolski – Ukraine, 2012, „Winnica”  Museum of Art – Ukraine, 2012, BWA Kielce, „Piwnice” Gallery, Poland, 2013, Academy of Fine Arts, Kraków, Poland, 2013, M1 – Kunstzone, Gera, Germany, 2015.