Related Clues:

• Greek letters
• Corp. V.I.P.'s
• Theme of this puzzle
• Bus. bigwigs
• Boardroom bigwigs
• Frat letters
• Letters from Greece
• Corp. magnates
• Bill Gates and Steve Jobs
• Head honchos
• Corp. heads
• Boardroom V.I.P.'s
• Business bigwigs
• Business V.I.P.'s
• AAA