Related Clues:

• Bird
• Company bigwig
• Company V.I.P.
• Mao, for one
• Biz biggie
• Piece for Kasparov
• Firm head
• Corp. big shot
• Fischer's castle
• Certain board member
• Office honcho
• Orthogonally moving piece
• Corner office occupant
• One of the higher-ups
• Foundation figure