Béla Anton Leoš Fleck is an American banjo player. An acclaimed virtuoso, he is an innovative and technically proficient pioneer and ambassador of the banjo, bringing the instrument from its bluegrass roots to jazz, classical, rock and various world music genres. He is best known for his work with the bands New Grass Revival and Béla Fleck and the Flecktones. Fleck has won 15 Grammy Awards and been nominated 33 times.