Leonid Sigal is a Russian violinist and conductor. A graduate from the Moscow Conservatory, Sigal is active in the United States, where he settled as he joined in 1995 the New World Symphony Orchestra. He was appointed the orchestra's Concertmaster, and was trained as a conductor by Michael Tilson Thomas. He subsequently served as an Associate Concertmaster at the Florida Philharmonic Orchestra, and the 's Artistic Director (2001–04). He has been the Hartford Symphony Orchestra's Concertmaster since 2005.