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Citadel Securities’ award-winning marathon runner left for a rival trading firm

Reported by Efinancialcareers
Jun 5, 2026· 2 min read
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Key Takeaways
  • • Senior compliance executive departure: Shay Deverell, who spent 10 years at Citadel Securities across Chicago and New York offices, joined Hudson River Trading as head of algorithmic trading compliance for the Americas, effective last week.
  • • Award-winning legal and athletic credentials: Deverell won the "Rising Star" award at the Women in Financial Markets awards in 2022, the same year Citadel Securities received the "corporate champion award" for advancing female leadership in finance. She is an accomplished marathon runner who completed a half-marathon in 1 hour 33 minutes in 2023, placing 161st among 4,831 total runners.
  • • Heightened compliance focus across electronic trading: The departure occurs amid intensifying regulatory and legal pressures across the sector, including Jane Street's ongoing litigation related to the $40 billion Terra collapse and Citadel Securities' recent loss of a lawsuit blocking a "slower" options exchange.
  • • Talent migration to rival firms: The move underscores ongoing competition for specialized compliance talent among major electronic market makers, with Hudson River Trading expanding its compliance infrastructure in the Americas.
Summary
Shay Deverell, a decorated compliance lawyer and accomplished athlete, has departed Citadel Securities after a decade-long tenure to join Hudson River Trading as head of algorithmic trading compliance for the Americas region. The transition, which took effect last week, marks a significant departure of senior compliance talent from one of the world's largest electronic market makers to a competing trading firm.

Deverell's professional credentials are substantial. In 2022, she received the "Rising Star" award at the Women in Financial Markets awards, recognition that coincided with Citadel Securities receiving the "corporate champion award" for its efforts in recruiting, retaining, educating, and developing female leaders within the financial services industry. During her tenure at Citadel Securities, she worked across both the Chicago and New York offices, building a specialized practice in compliance for algorithmic and electronic trading operations.

Beyond her legal career, Deverell is an accomplished endurance athlete. At a 2023 marathon, she completed a half-marathon in 1 hour 33 minutes—a pace of 7:09 per mile—finishing 161st out of 4,831 total runners and 21st among 2,486 female competitors, demonstrating elite-level athletic performance alongside her professional achievements.

The departure occurs within a broader context of heightened compliance scrutiny across electronic trading. Jane Street faces significant litigation tied to its role in the $40 billion Terra collapse, which the firm denies. Citadel Securities recently experienced a legal setback when it lost a lawsuit seeking to block a "slower" type of options exchange. These developments underscore the critical importance of robust compliance infrastructure for market makers operating in increasingly complex regulatory environments.

Hudson River Trading's recruitment of Deverell reflects the firm's strategic focus on strengthening its compliance and regulatory capabilities, particularly as algorithmic trading operations face mounting regulatory and reputational pressures.

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Sources

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AlphaMaven summarised this story from the reporting below. Each link opens the original article.

Efinancialcareers Citadel Securities’ award-winning marathon runner left for a rival trading firm