Leonard Edward Slatkin is an American conductor, author and composer.

The New York Youth Symphony (NYYS), founded in 1963, is a music organization for the youth in New York City, widely reputed to be one of the best of its kind in the nation and world. Its programs include its flagship Orchestra, Chamber Music, Jazz, Apprentice Conducting, Composition, and Musical Theater Songwriting Programs. Its members range from 12 to 22 years of age. NYYS members are said to include the most talented young musicians in the New York metropolitan area. In 2023, the New York Youth Symphony won the Grammy Award for Best Orchestral Performance at the 65th Annual Grammy Awards.