Citadel Executive and Leadership Team

August, 2026

Leadership Overview

Citadel has 10 executives leading key functions including strategy, finance, marketing, operations, and technology.

Driven by market leadership, Citadel is dedicated to providing essential liquidity to global financial markets, fostering innovation, and delivering exceptional service to a diverse client base.

Leadership Roles at Citadel

  • Founder, Chief Executive Officer & Co-Chief Investment Officer - Kenneth Griffin
  • Chief Financial Officer - Dahan Pham
  • Chief Financial Officer & Vice President - Preethi Saint
  • Head Chief Operating Officer, Transaction Management, Global Treasury - Carlee M.
  • Global Platform Owner & Chief Operating Officer - Rj Agustin
  • Chief Operating Officer Team - Alexandra Kinney
  • Chief Operating Officer, Equities Technology - Douglas Patterson
  • Chief Operating Officer, End User Support - Tiffany Ramadar
  • Chief Operating Officer, Data - Kevin Nutter
  • Chief Marketing Officer - Amanda Rubin
  • Kenneth Griffin - Founder, Chief Executive Officer & Co-Chief Investment Officer

    Kenneth Griffin, the Founder, Chief Executive Officer & Co-Chief Investment Officer at Citadel, directs the firm's overall strategy and investment operations. Griffin architects the company's market-making approach, ensuring liquidity provision across fixed income, equities, derivatives, and FX. Overseeing global operations, Griffin drives the firm's expansion and maintains its position as a leading financial services provider. This leadership role involves setting the strategic vision for the company's diverse client base, including asset managers, banks, and public pension programs. Griffin's direct involvement in investment decisions shapes the firm's financial performance and market impact. The Founder, Chief Executive Officer & Co-Chief Investment Officer ensures alignment with the company's mission to serve market participants with efficiency and integrity. By managing key relationships and guiding technological advancements, Kenneth Griffin solidifies Citadel's competitive edge in the global financial landscape.
    Kenneth Griffin

    Dahan Pham - Chief Financial Officer

    Dahan Pham, the Chief Financial Officer at Citadel, manages the company's financial health and strategic fiscal planning. Pham oversees all financial operations, including accounting, budgeting, and financial reporting, ensuring compliance with global regulatory standards. This role is critical in supporting Citadel's market-making activities across various asset classes. The Chief Financial Officer analyzes financial data to identify opportunities for growth and efficiency, directly impacting the firm's profitability and stability. Pham collaborates with other executive leaders to align financial strategies with the company's overarching business objectives. By optimizing capital allocation and managing financial risks, Dahan Pham ensures the firm's sustained success. The Chief Financial Officer's expertise is vital for maintaining investor confidence and facilitating the company's expansion into new markets.

    Preethi Saint - Chief Financial Officer & Vice President

    Preethi Saint, the Chief Financial Officer & Vice President at Citadel, plays a dual role in managing financial operations and contributing to corporate governance. Saint oversees key financial functions, ensuring fiscal discipline and strategic resource allocation across the organization. This position is vital for supporting Citadel's extensive market-making activities and global presence. The Chief Financial Officer & Vice President analyzes financial performance, identifies cost-saving opportunities, and manages relationships with financial institutions. Preethi Saint works closely with other executives to align financial strategies with the company's long-term vision. By ensuring financial stability and compliance, Saint reinforces Citadel's reputation as a trusted market participant. The Chief Financial Officer & Vice President's expertise is critical for navigating complex financial landscapes.

    Carlee M. - Head Chief Operating Officer, Transaction Management, Global Treasury

    Carlee M., the Head Chief Operating Officer, Transaction Management, Global Treasury at Citadel, directs critical operational functions related to transaction processing and treasury management. M. oversees the seamless execution of financial transactions, ensuring efficiency and accuracy across global markets. This role is fundamental to providing reliable liquidity to market participants. The Head Chief Operating Officer, Transaction Management, Global Treasury manages the treasury operations, optimizing cash flow and managing financial exposures. Carlee M. collaborates with technology and finance teams to implement robust systems that support high-volume trading activities. By streamlining transaction workflows, M. enhances operational resilience and client satisfaction. The Head Chief Operating Officer, Transaction Management, Global Treasury's focus on operational excellence underpins Citadel's ability to execute complex trades effectively.

    Rj Agustin - Global Platform Owner & Chief Operating Officer

    Rj Agustin, the Global Platform Owner & Chief Operating Officer at Citadel, leads the development and management of the firm's core technology platforms. Agustin oversees the operational integrity and scalability of systems that support Citadel's extensive market-making activities worldwide. This position is crucial for maintaining a competitive technological edge in the finance industry. The Global Platform Owner & Chief Operating Officer ensures that technology infrastructure aligns with business objectives, facilitating efficient trading in equities, derivatives, and FX. Rj Agustin drives innovation in platform design, enhancing user experience and operational performance. By managing the global technology footprint, Agustin supports the firm's mission to provide liquidity and superior service. The Global Platform Owner & Chief Operating Officer's strategic oversight guarantees the robustness of Citadel's digital ecosystem.

    Alexandra Kinney - Chief Operating Officer Team

    Alexandra Kinney, the Chief Operating Officer Team at Citadel, contributes to the strategic oversight and operational efficiency of the firm's global business. Kinney supports initiatives aimed at optimizing processes across various departments, ensuring smooth execution of market-making functions. This role is integral to maintaining high standards of service for asset managers, banks, and broker-dealers. The Chief Operating Officer Team collaborates with executive leadership to identify and implement operational improvements. Alexandra Kinney focuses on enhancing internal workflows and cross-functional collaboration to support Citadel's growth objectives. By contributing to operational strategy, Kinney helps ensure the firm's agility and responsiveness in dynamic financial markets. The Chief Operating Officer Team's efforts bolster Citadel's capacity to deliver consistent value.

    Douglas Patterson - Chief Operating Officer, Equities Technology

    Douglas Patterson, the Chief Operating Officer, Equities Technology at Citadel, directs the technological infrastructure and operational strategy for the equities trading division. Patterson oversees the development and deployment of cutting-edge technology solutions that power Citadel's equities market-making operations. This role is essential for maintaining high performance and reliability in a fast-paced trading environment. The Chief Operating Officer, Equities Technology ensures that technology systems are robust, scalable, and secure, supporting the firm's commitment to providing liquidity. Douglas Patterson collaborates with trading teams and engineers to drive innovation and efficiency in equity trading technology. By optimizing the technological backbone, Patterson enhances Citadel's competitive position in the equities market. The Chief Operating Officer, Equities Technology's leadership ensures technological excellence.
    Douglas Patterson

    Tiffany Ramadar - Chief Operating Officer, End User Support

    Tiffany Ramadar, the Chief Operating Officer, End User Support at Citadel, leads initiatives focused on enhancing the experience and productivity of the firm's end-users. Ramadar oversees the operational framework for support services, ensuring timely and effective assistance for all internal stakeholders. This role is critical for maintaining seamless operations within Citadel's global offices. The Chief Operating Officer, End User Support drives strategies to optimize user workflows and implement user-friendly technological solutions. Tiffany Ramadar collaborates with IT and operational teams to address user needs and improve system accessibility. By focusing on end-user satisfaction, Ramadar contributes to overall organizational efficiency and employee effectiveness. The Chief Operating Officer, End User Support's dedication ensures a supportive technological environment.

    Kevin Nutter - Chief Operating Officer, Data

    Kevin Nutter, the Chief Operating Officer, Data at Citadel, directs the operational strategy and management of the firm's data infrastructure and governance. Nutter oversees the systems and processes that ensure the integrity, accessibility, and security of critical data assets supporting market-making operations. This role is fundamental to leveraging data for strategic decision-making and operational efficiency. The Chief Operating Officer, Data implements robust data management practices, enabling advanced analytics and insights across fixed income, equities, derivatives, and FX. Kevin Nutter collaborates with technology and business units to align data operations with corporate objectives. By enhancing data capabilities, Nutter supports Citadel's commitment to innovation and client service. The Chief Operating Officer, Data's leadership ensures data-driven excellence.
    Kevin Nutter

    Amanda Rubin - Chief Marketing Officer

    Amanda Rubin, the Chief Marketing Officer at Citadel, develops and executes comprehensive marketing strategies to enhance brand visibility and client engagement. Rubin oversees all marketing initiatives, including digital campaigns, public relations, and corporate communications, supporting the firm's global market-making operations. This position is key to communicating Citadel's value proposition to a diverse clientele of asset managers, banks, and broker-dealers. The Chief Marketing Officer drives initiatives that strengthen client relationships and attract new business opportunities. Amanda Rubin works closely with sales and product development teams to ensure marketing efforts are aligned with market demands and company goals. By shaping the company's brand narrative, the Chief Marketing Officer reinforces Citadel's reputation for reliability and innovation in the financial sector.

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    Frequently Asked Questions Regarding Citadel Top Executives and Leadership Team

    Who leads Citadel?
    Citadel is led by Kenneth Griffin (Founder, Chief Executive Officer & Co-Chief Investment Officer), along with executives such as Dahan Pham (Chief Financial Officer) and Preethi Saint (Chief Financial Officer & Vice President).
    Who is part of Citadel’s executive team?
    The executive team of Citadel includes leaders such as Kenneth Griffin (Founder, Chief Executive Officer & Co-Chief Investment Officer), Dahan Pham (Chief Financial Officer), Preethi Saint (Chief Financial Officer & Vice President) and other senior executives.
    How many executives does Citadel have?
    Citadel has 10 executives leading key business areas.
    What roles are included in Citadel’s leadership team?
    The leadership team of Citadel includes roles such as Founder, Chief Executive Officer & Co-Chief Investment Officer, Chief Financial Officer, Chief Financial Officer & Vice President, Head Chief Operating Officer, Transaction Management, Global Treasury, Global Platform Owner & Chief Operating Officer.