Josef Špaček is a renowned Czech violinist. He was born into a musical family in 1986. He studied at the Curtis Institute of Music in the United States, the Juilliard School in New York and Paris Conservatory. Among his teachers he had Itzhak Perelman, Ida Kavafian, and Jaime Laredo.

In 2008 he became a prize-winner at the Carl Nielsen International Violin Competition in Denmark; in 2009 he became an awardee at the Michael Hill International Violin Competition in New Zealand; in 2012 he was one of the finalists at the Queen Elisabeth Music Competition. Since 2010 he has been a concert master of the Czech Philharmonic Orchestra.

As a soloist, he worked with the Philadelphia, Czech, Prague, and Auckland Philharmonic Orchestras, the Czech Chamber Orchestra, the National Orchestra of Belgium, the Brno Philharmonic Orchestra. Špaček performed with such famous conductors as Jiří Bělohlávek, Christoph Eschenbach, Eliahu Inbal, Yakub Grusha, Roy Goodman, Rossen Milanov, Asher Fisch, James DePreist, and Manfred Honeck.

In 2013 he participated with solo performance in the Prague Spring International Music Festival. He has made recordings with Naxos and Suprafon. Špaček plays the violin made by Jean-Baptiste Vuillaume in 1855.