In 1987, won two Tony Awards for "Les Misérables", in collaboration with
Alain Boublil: as Best Book (Musical), and, also with additional
lyricist-collaborator
Herbert Kretzmer, as Best Score. In 1991, he was also twice Tony-nominated with collaborator Boublil: as Best Book (Musical)
and, also with additional lyricist-collaborator
Richard Maltby Jr., for "Miss Saigon".