Question: What was the sobriquet of the woman who hired Joyce Beber?
Related documents: [0]  [DOC] Joyce Beber, born Joyce Sacks, (November 20, 1929 - September 17, 2010) was an advertising executive who co-founded the Beber Silverstein Group and created numerous memorable campaigns for the Helmsley group of hotels. The campaigns successfully promoted Leona Helmsley and her hotel chain; Beber was hired and fired four times by Helmsley. [END] 
[1]  [DOC] Leona Mindy Roberts Helmsley (born Lena Mindy Rosenthal; July 4, 1920 – August 20, 2007) was an American businesswoman. She was known for her flamboyant personality and had a reputation for tyrannical behavior that earned her the sobriquet Queen of Mean. She was promoted by the Beber Silverstein Group and its co-founder Joyce Beber persuaded Helmsley to replace that title with Queen of the Palace Hotel instead. [END] 
Answer: 
Queen of Mean
Queen of Mean