Founder, CEO, & Co-Chief Investment Officer

Senior Managing Director, Chief Operating Officer

Citadel CEO Ken Griffin Warns Trump on Fed Independence Risks in Op-Ed

Trump's calls to dismiss Fed governors undermine independence, Citadel CEO writes in WSJ op-ed

JPMorgan's new HQ will feature a massive gym — here's how 4 other Wall Street rivals are flexing

Here Are Billionaire Ken Griffin's 5 Biggest Stock Holdings

Quantitative Researcher – 2025 PhD Intern

Citadel is one of the world's leading alternative investment firms, pursuing long-term returns for preeminent public and private institutions. As a Quantitative Researcher intern, you will develop models and trading approaches while collaborating with senior team members and conducting statistical analysis to refine trading signals.

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