Maria Kowroski is the Artistic Director of New Jersey Ballet and a former principal dancer with the New York City Ballet. She has danced many principal roles in the Balanchine repertory including Agon, Apollo, Concerto Barocco, Mozartiana, Diamonds, Rubies and Emeralds from Jewels, Prodigal Son, Stravinsky Violin Concerto, Chaconne and Bugaku.