Polish conductor, violinist and composer. He was a member of the Young Poland group of composers, together with artists such as Karol Szymanowski, Ludomir Różycki and Mieczysław Karłowicz. During the WWI he collaborated with Ballets Russes; he conducted the first performance of Igor Stravinsky's Mavra at the Opéra Garnier in Paris. From 1921 to 1934 he was the chief conductor of the Warsaw Philharmonic Orchestra, where he excessively promoted new music. In 1935 he organized the Polish National Radio Symphony Orchestra. Between 1940–41, he conducted at the Teatro Colón in Buenos Aires. The Grzegorz Fitelberg International Competition for Conductors, one of the most important music competitions in Poland, takes place in the Silesian Philharmonic since 1979.
