WorldQuant Executive and Leadership Team

September, 2026

Leadership Overview

WorldQuant has 5 executives leading key functions including strategy, investment management, financial operations, legal compliance, and technology business development.

Driven by a commitment to systematic investment excellence, WorldQuant advances global financial markets through proprietary research platforms and rigorous risk management processes that define modern quantitative trading.

Leadership Roles at WorldQuant

  • Chief Executive Officer, Worldquant Pte Ltd (Singapore) - James Macarthur
  • Chief Financial Officer - Jonathan Marom
  • Chief Operating Officer & General Counsel - Christopher Rosado
  • Managing Director - Dmitry Rakhlin
  • Manager, Technology Business - Yelena Norasteh
  • James Macarthur - Chief Executive Officer, Worldquant Pte Ltd (Singapore)

    James Macarthur, the Chief Executive Officer, Worldquant Pte Ltd (Singapore) at WorldQuant, directs all strategic initiatives across the Asia-Pacific region. Overseeing the expansion of systematic investment strategies, the Chief Executive Officer, Worldquant Pte Ltd (Singapore) ensures alignment with the firm's proprietary research methodologies. This leadership role involves managing complex stakeholder relationships and driving regional growth through the deployment of advanced quantitative models. By optimizing operational workflows within the Singapore office, James Macarthur directly impacts the firm's ability to capture alpha in diverse global markets. Furthermore, the Chief Executive Officer, Worldquant Pte Ltd (Singapore) maintains strict adherence to regional regulatory standards while fostering a culture of innovation. Through consistent oversight of regional performance metrics, the executive secures long-term competitive advantages for the firm, ensuring that the quantitative research platform remains at the forefront of the investment industry.
    James Macarthur

    Jonathan Marom - Chief Financial Officer

    Jonathan Marom, the Chief Financial Officer at WorldQuant, directs the firm's global financial strategy and capital allocation processes. Overseeing fiscal planning, the Chief Financial Officer ensures that the company's investment infrastructure receives adequate funding to support systematic research initiatives. This leadership role involves managing complex financial reporting requirements and maintaining transparency with stakeholders regarding the firm's economic health. By optimizing cost structures and capital efficiency, Jonathan Marom directly impacts the firm's long-term financial stability and growth trajectory. Furthermore, the Chief Financial Officer collaborates with the executive team to evaluate the financial viability of new market entries and asset class expansions. Through the implementation of stringent internal controls, the executive mitigates financial risk while supporting the firm's mission of quantitative excellence. Ultimately, Marom secures the necessary resources to sustain the firm's competitive edge in the highly demanding and fast-paced global investment sector.
    Jonathan Marom

    Christopher Rosado - Chief Operating Officer & General Counsel

    Christopher Rosado, the Chief Operating Officer & General Counsel at WorldQuant, architects the firm's operational framework and legal compliance strategy. Overseeing the intersection of business operations and regulatory requirements, the Chief Operating Officer & General Counsel ensures that all systematic investment activities adhere to global legal standards. This leadership role involves managing internal governance, mitigating legal risks, and streamlining operational workflows to enhance organizational efficiency. By aligning legal protocols with the firm's proprietary research objectives, Christopher Rosado directly impacts the firm's ability to operate seamlessly across international jurisdictions. Furthermore, the Chief Operating Officer & General Counsel coordinates with the board to address complex legal challenges and operational bottlenecks. Through the development of robust compliance programs, the executive protects the firm's intellectual property and reputation. Ultimately, Rosado secures the operational integrity required to support the firm's sophisticated quantitative trading activities in a highly regulated global market.

    Dmitry Rakhlin - Managing Director

    Dmitry Rakhlin, the Managing Director at WorldQuant, architects high-level investment strategies that leverage the firm's proprietary research platform. Overseeing the integration of systematic models across various asset classes, the Managing Director ensures that risk management processes remain robust and scalable. This leadership role involves collaborating with global research teams to refine predictive algorithms and enhance portfolio performance. By identifying emerging market trends, Dmitry Rakhlin directly impacts the firm's ability to generate consistent returns in volatile environments. Furthermore, the Managing Director coordinates with other senior leaders to align technological capabilities with overarching investment objectives. Through the application of rigorous analytical frameworks, the executive drives the development of sophisticated trading solutions. Ultimately, Rakhlin secures the firm's market position by maintaining a relentless focus on data-driven decision-making and the continuous evolution of quantitative investment methodologies within the global financial landscape.

    Yelena Norasteh - Manager, Technology Business

    Yelena Norasteh, the Manager, Technology Business at WorldQuant, directs the alignment of technological infrastructure with the firm's systematic investment goals. Overseeing the development and maintenance of the proprietary research platform, the Manager, Technology Business ensures that quantitative researchers possess the tools necessary for high-frequency data analysis. This leadership role involves bridging the gap between technical engineering teams and investment strategy groups to foster innovation. By optimizing the performance of computational resources, Yelena Norasteh directly impacts the firm's speed and accuracy in deploying trading models. Furthermore, the Manager, Technology Business collaborates with other departments to integrate new software solutions that enhance the firm's risk management capabilities. Through the continuous improvement of the technology stack, the executive supports the firm's mission of maintaining a technological advantage in global markets. Ultimately, Norasteh secures the scalability of the firm's research operations, ensuring that technological assets remain perfectly synchronized with evolving investment requirements.

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    Frequently Asked Questions Regarding WorldQuant Top Executives and Leadership Team

    Who leads WorldQuant?
    WorldQuant is led by James Macarthur (Chief Executive Officer, Worldquant Pte Ltd (Singapore)), along with executives such as Jonathan Marom (Chief Financial Officer) and Christopher Rosado (Chief Operating Officer & General Counsel).
    Who is part of WorldQuant’s executive team?
    The executive team of WorldQuant includes leaders such as James Macarthur (Chief Executive Officer, Worldquant Pte Ltd (Singapore)), Jonathan Marom (Chief Financial Officer), Christopher Rosado (Chief Operating Officer & General Counsel) and other senior executives.
    How many executives does WorldQuant have?
    WorldQuant has 5 executives leading key business areas.
    What roles are included in WorldQuant’s leadership team?
    The leadership team of WorldQuant includes roles such as Chief Executive Officer, Worldquant Pte Ltd (Singapore), Chief Financial Officer, Chief Operating Officer & General Counsel, Managing Director, Manager, Technology Business.