Related Clues:

• It may change with a promotion
• Part of a spine, usually
• Identification
• Company bigwig
• Company V.I.P.
• See 13-Across
• Fighter's goal
• Biz biggie
• Royal address
• Firm head
• Corp. big shot
• Office honcho
• Boxer's dream
• Corner office occupant
• 58 Across, for example