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Harvard Study: AI Startups Shun New Grads, Shrink Teams by 25%

A joint study by Harvard Business School and INSEAD has dropped a bombshell on the job market: AI-native startups are not only shrinking their teams but also slashing the hiring of junior employees. The message is clear—the first casualties of the AI wave are those just stepping into the workforce.

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Smaller Teams, More Engineers

The research, which analyzed Y Combinator startups from 2020 to 2024 and surveyed a broad range of U.S. venture-backed firms that completed their first funding round in the same period, introduces a new category: "AI-native startups." These companies are defined by two key shifts: first, they fully integrate AI to help employees complete tasks like programming, sales, design, or coordination faster; second, they embed AI directly into their main product, allowing customers to automate tasks that once required human teams.

The numbers are stark. AI-native startups have teams that are 25% smaller than non-AI-native companies. They employ about 13% more engineers, but the proportion of junior employees and managers is roughly 15% lower. In plain English, these companies are doing the same—or even more—work with fewer people, and middle management is getting squeezed out. AI tools have taken over repetitive, execution-based tasks, absorbing the work that junior hires used to do.

Senior Talent in High Demand

Here's the twist: AI isn't wiping out high-level jobs as some feared. Instead, it's fueling a premium on expert talent. The study found that AI-native startups have 20% more senior employees than their non-AI counterparts. This challenges the simplistic "AI replaces everyone" narrative. What's really happening is that entry-level positions are being automated away, while experienced professionals with judgment and know-how are becoming even more valuable.

For recent graduates, this is sobering news. The doors of AI-native companies are narrowing. But for those who've spent years building expertise, the AI era is opening up a higher value ceiling. The future of work may not be a battle between humans and AI, but a divide between "experts who can use AI" and "newcomers who can't."

Key Points

  • AI-native startups have 25% smaller teams and 13% more engineers.
  • Junior employee and manager roles are 15% lower in these companies.
  • Senior employee proportion is 20% higher, creating an "expert premium."
  • AI tools replace repetitive tasks, absorbing entry-level work.
  • The job market is splitting: experts thrive, newcomers struggle.