sentences:  For more than two decades, Șerban has been associated with the American Repertory Theatre in Cambridge, Massachusetts.At the A.R.T., he has directed "Lysistrata", "The Merchant of Venice", "The Taming of the Shrew", "The King Stag", "", "Three Sisters", "The Juniper Tree", "The Miser", "Twelfth Night", "Sweet Table at the Richelieu", and "Pericles".As a director, Șerban has also worked at the Circle in the Square Theatre, the Yale Repertory Theater, the American Conservatory Theater, the Metropolitan Opera, the New York City, Seattle and Los Angeles Operas, at the Paris, Geneva, Vienna, and Bologna Opera Houses, the Welsh National Opera, Covent Garden, Théâtre de la Ville, the Comédie Française, Helsinki's Lilla Teatern, and with the Shiki Theatre Company in Tokyo.