1941
In 1958, Tadei was unable to enter the Kyiv Art Institute and went to Lviv, but his exams had already ended there. So Tadei became one of the students of Yevhen Lysyk, who recruited artists to paint the scenery at the Lviv Opera House.
Later, Tadei graduated from the evening department of the Faculty of Architecture of Lviv Polytechnic Institute.
Works as the chief artist of the Solomiya Krushelnytska Lviv Opera and Ballet Theater, but also designed performances in Kyiv, Minsk, Donetsk, St. Petersburg, and in Polish theaters.
National Artist of Ukraine (2002), winner of the A. Shekera Prize in the field of choreographic art (2015), winner of the F. Nirod Prize (2010).