Matt Donnelly Senior Film Writer The Academy of Motion Picture Arts and Sciences has undergone an executive reorganization that includes several promotions and departures within the governing body that hands out the Oscars.Jacqueline Stewart is out as Academy Museum director as Amy Homma has been named to succeed her, while chief communications officer Jennifer Davidson was promoted and additional changes were announced in the Academy’s revenue and archival departments. “As the Academy evolves, we are bringing teams together to create a better sense of shared purpose across the organization,” AMPAS CEO Bill Kramer said in a statement.