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He has also worked as an Assistant Conductor and vocal coach for the Metropolitan Opera, San Francisco Opera, Opera Company of Philadelphia, Vancouver Opera, and the Canadian Opera Company.
A leader in the world of Philadelphia cultural institutions, he was Chairman of the Board of the Curtis Institute of Music, a member of the Board of the Opera Company of Philadelphia, and an advisor to the Philadelphia Museum of Art and the Philadelphia Orchestra.
In 2002 he created the set designs for the Opera Company of Philadelphia’s performance of Mozart’s Don Giovanni, highly acclaimed by critics in the New York Times and the Philadelphia Inquirer.