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Millennium and Citadel made major technology hires in New York

Reported by Efinancialcareers
Dec 10, 2025· 2 min read
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Key Takeaways
  • • Prasanni Thati joined Millennium Management as global head of volatility arbitrage technology after spending a year on gardening leave following his departure from Citadel Securities, where he was an engineering manager in the principal strategies group.
  • • Adi Lutvich hired by Citadel's hedge fund for cloud-focused engineering role, bringing six years of experience as a principal architect in Google's financial services team and prior solutions architect tenure at Amazon.
  • • Both hires underscore major hedge funds' continued aggressive recruitment in technology talent, even as traditional banks face year-end cost pressures; neither firm shows comparable hiring constraints.
  • • Talent flow reflects weak non-compete dynamics between tech giants and financial services firms, enabling Lutvich to transition directly from Google to Citadel without gardening leave, contrasting with Thati's year-long restriction following his Citadel Securities exit.
Summary
Millennium Management and Citadel have executed significant technology hires in their New York offices, demonstrating the continued competitive intensity among elite hedge funds for specialized engineering talent in an environment where traditional banks are restraining headcount growth.

Millennium appointed Prasanni Thati as global head of volatility arbitrage technology. Thati previously served as an engineering manager in the principal strategies group at Citadel Securities, departing in December 2024. He completed a one-year gardening leave period before joining Millennium, a restriction typical when moving between competing financial services firms. The appointment indicates Millennium's strategic focus on volatility trading technology infrastructure and signals the firm's willingness to invest in senior technical leadership despite macroeconomic hiring constraints affecting the broader financial sector.

Citadel's hedge fund separately onboarded Adi Lutvich to its engineering team in New York, tasking him with cloud infrastructure responsibilities. Lutvich brings six years of experience from Google, where he held the title of principal architect within the financial services team. Prior to Google, he spent time as a solutions architect at Amazon. Notably, Lutvich required no gardening leave upon transitioning from Google to Citadel, reflecting the absence of non-compete friction between technology companies and financial services firms—a dynamic distinct from lateral moves between hedge funds or trading operations.

These hires exemplify a broader pattern in which large hedge funds continue building technical capacity during periods when traditional banking institutions face cost discipline. The recruitment activity underscores the strategic premium both Millennium and Citadel place on cloud infrastructure, volatility modeling, and principal trading technology, areas where deep technical expertise from both financial services and large-scale technology companies command significant compensation packages.

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Sources

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Efinancialcareers Millennium and Citadel made major technology hires in New York