They hope to join alumni like Arlene Shuler a former Joffrey dancer who is now president of New York City Center ; Alicia Graf who danced with Alvin Ailey American Dance Theater and Dance Theater of Harlem ; Michael Novak now with the Paul Taylor Dance Company ; and Lydia Walker who toured with the Suzanne Farrell Ballet and helped form the student-run Columbia Ballet Collaborative in 2007 .