Related Clues:

• Business biggie
• Winter Palace dweller
• Autocrat
• Wharton grad's aspiration, maybe
• Corp. numero uno
• Magnate
• Grand duke's father
• Chief exec.
• Mogul
• Winter Palace ruler
• Bill Gates, e.g.: Abbr.
• Wharton grad, maybe
• Nicholas I or II
• Business bigwig
• Ivan the Terrible, e.g.