The Obelisk Model: How Big Four Are Reorganizing Around AI

The Obelisk Model

AI replaces the bulk of junior analytical work. You dont need 50 analysts to crunch data when AI can do it in minutes.

The Structure

  • Small partner layer (rainmakers)
  • Thin specialist layer (AI orchestrators)
  • Massive AI infrastructure layer
  • 60-70% reduction in entry-level hiring

Whos Betting on This

Deloitte, PwC, EY, KPMG, Accenture — volume-driven firms with AI infrastructure investments.

The Fatal Vulnerability

Where do future partners come from? If youre not hiring juniors, youre not developing the next generation. Talent pipeline crisis becomes visible in 5-10 years.

Best Suited For

High-volume, repeatable work: due diligence, market sizing, compliance, cost programs.


Read the full analysis on The Business Engineer.

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