Maciej Igielski has been working with the Polish National Opera since 1990, designing lighting for operas and ballets. Major productions include The Rite of Spring choreographed by Krzysztof Zaleski, La bohème directed by Mariusz Treliński, Szymanowski's Harnasie choreographed by Emil Wesołowski, W krainie czarodziejskiego fletu directed by Beata Redo-Dobber, Szymanowski's Mandragora directed by Michał Znaniecki, In Search of Colours choreographed by Jacek Tyski, Persona choreographed by Robert Bondara, and Adagio & Scherzo choreographed by Krzysztof Pastor. Other credits include: Bondara’s The Captive Mind, Karol Urbański’s A Midsummer Night's Dream, Kristine Wuss’s production of Dvořak's Rusalka, Natalia Babińska’s productions of Halka and Rigoletto, Włodzimierz Nurkowski’s production of Don Carlos, and by Maciej Prus’s productions of The Damnation of Faust and Falstaff (Opera Nova in Bydgoszcz); It Happened in Jerusalem (Kielce Dance Theatre); The Barber of Seville, Halka (Grand Theatre Łódź); Čiurlionis (Lithuanian National Opera and Ballet Theatre in Vilnius); Legends of the Baltic (Kiepura Award for Best Performance); Doctor Zhivago (Podlasie Opera and Philharmonic); Zorba and Balladyna (Polski Theatre in Bielsko-Biała); Adventures of Sinbad (Music Theatre Gdynia); The Mathematics of Love (Buffo in Warsaw); Pinocchio, Romeo and Juliet (Słowackiego Theatre, Kraków), Kocham O'Keeffe (after Alfred Stieglitz Loves O’Keeffe; Bajka Theatre); Łysa śpiewaczka (after The Bald Soprano), Madame de Sade and The Winter's Tale (National Theatre in Warsaw). Other projects include: Polish Pavilion at EXPO 2000 in Hannover, the exhibition Warsaw under Construction (WWB4) at the Museum of Modern Art in Warsaw (2012), and a large-scale staging of Faust at the Centennial Arena, Wrocław.