Elon Musk Amplifies Citadel CEO’s Stanford Warning: AI Is After PhD Jobs Now

Elon Musk shared a video clip warning that AI now replaces high-skilled finance jobs. The speaker, Citadel CEO Ken Griffin, said agentic systems do PhD-level work in hours.

Griffin made the remarks at Stanford University. He said the AI toolkit has become profoundly more powerful in just nine months, prompting concern about its impact on highly skilled professions.

Citadel’s AI Awakening

Griffin, a longtime AI skeptic, admitted the technology has changed how his hedge fund operates internally. He said work usually done by master’s and PhD holders over weeks or months now takes hours or days.

Follow us on X to get the latest news as it happens

The Citadel chief told Stanford students he went home one Friday “fairly depressed” by the change. He said witnessing it inside his own firm marked his first sense of real AI impact at scale.

“These are not mid-tier white-collar jobs. These are extraordinarily high-skilled jobs being automated by agentic AI,” said Ken Griffin, CEO of Citadel.

Historically, Citadel has hired hundreds of quantitative researchers from top mathematics and physics programs. Griffin’s comments suggest AI is now competing for that elite talent pool directly.

The Wider Workforce Story

Citadel’s experience tracks a broader 2026 trend. Tech employers cited AI as the trigger behind thousands of layoffs this year, with agentic systems accounting for a growing share of cuts.

Musk himself has long argued AI will eliminate most paid work over time. However, not every analyst agrees on the timing.

A recent a16z review of four major studies found AI is not killing jobs at scale yet. Displacement remains concentrated in narrow tasks rather than full occupations across the broader economy.

Crypto-native firms have nonetheless built product roadmaps around agents that trade and settle directly. Coinbase, Microsoft, and other large employers frame recent cuts as a pivot toward smaller, AI-augmented teams.

Whether Griffin’s Friday depression spreads across the finance industry will hinge on how durable the recent productivity leap proves through year-end. Earnings calls in the coming quarter could reveal which firms quantify their AI-driven cost cuts.

Investors will also be watching whether Citadel itself publicly details how much capacity it has freed up by handing PhD-level work to agents.