Avian co-choreographed A Chorus Line with Michael Bennett, and choreographed Miss Saigon and Sunset Boulevard. He “directed a 2006 revival of A Chorus Line that ran on Broadway for almost two years, as well as productions of that show in London in 2013 and at New York City Center in 2018. He shared Tony Awards for choreography with Mr. Bennett for A Chorus Line and Ballroom.” – The New York Times