Kenneth Lonergan has been represented in New York by Hold On To Me Darling (Atlantic Theater Company), Medieval Play (Signature Theatre), The Starry Messenger (New Group), Lobby Hero (Playwrights Horizons, John Houseman Theatre, Drama Desk Best Play Nominee, Outer Critics Circle Best Play and John Gassner Playwriting Nominee, included in the 2000-2001 Best Plays Annual), The Waverly Gallery (Williamstown Theatre Festival, Promenade; 2001 Pulitzer Prize Runner-up), and This Is Our Youth (Drama Desk Best Play Nominee). Lobby Hero (Olivier Award Nominee for Best Play) and This Is Our Youth have also received productions on London’s West End. He co-wrote the film Gangs of New York which garnered WGA and Academy Award nominations for Best Original Screenplay. His film You Can Count on Me, which he wrote and directed was nominated for an Academy Award for Best Original Screenplay, won the Sundance 2000 Grand Jury Prize and the Waldo Salt Screenwriting Award, the NY Film Critics Circle, LA Film Critics Circle, Writers Guild of America, and National Board of Review Awards for Best Screenplay of 2001, the AFI Awards for Best Film and Best New Writer, as well as the Sutherland Trophy at the London Film Festival. He wrote and directed the film Margaret starring Anna Paquin. He is a member of Naked Angels. He is married to actress J. Smith-Cameron. They have one daughter, Nelly Sharpe Lonergan.