Citadel Executive and Leadership Team

Fallon Sullivan, the Chief Administrative Officer & Chief Executive Officer, Office of at Citadel, directs the overarching administrative functions and strategic initiatives for executive operations. This leadership position involves ensuring seamless integration of administrative processes with the company's core IT service delivery model. Overseeing critical support departments, the Chief Administrative Officer & Chief Executive Officer, Office of ensures operational efficiency and adherence to the company's unique organizational roadmap. Sullivan's oversight extends to resource allocation and policy implementation, directly impacting the integrity and innovation central to Citadels IT services. This role demands a comprehensive understanding of both administrative management and strategic business direction, ensuring all operational facets align with Citadels commitment to 24/7 stellar support and a collaborative approach to IT strategy. Fallon Sullivan drives the administrative framework that underpins Citadels comprehensive IT solutions.

Petrus Layarda, the Chief Operating Officer & Chief Financial Officer, Special Projects, Office of at Citadel, manages the operational and financial aspects of strategic, high-impact special projects. This dual role ensures that innovative initiatives are executed with both fiscal responsibility and operational efficiency. Overseeing special projects, the Chief Operating Officer & Chief Financial Officer, Special Projects, Office of drives the integration of technology and financial oversight, aligning with Citadels comprehensive IT strategy. Layarda's leadership ensures these critical projects adhere to the companys unique organizational roadmap and contribute to its capacity for 24/7 stellar support. By meticulously managing resources and operational plans for special initiatives, Petrus Layarda reinforces Citadels commitment to integrity and innovation across its entire spectrum of IT services. This executive's focus on special projects highlights Citadel's capacity for tackling complex, transformative endeavors.

Zachary Flum, the Chief Operating Officer, Eqr Research & Platform Engineering at Citadel, spearheads the operational execution for research initiatives and the engineering of core IT platforms. This critical role ensures that Citadels IT services are built upon robust, innovative, and scalable engineering foundations. Overseeing platform development and research operations, the Chief Operating Officer, Eqr Research & Platform Engineering drives the technical roadmap, ensuring seamless integration of new technologies and methodologies. Flum's leadership focuses on enhancing the collaborative and comprehensive approach to IT strategy, directly supporting the companys commitment to 24/7 stellar support. By optimizing platform engineering, Zachary Flum ensures the integrity of Citadels service delivery and contributes significantly to the unique organizational roadmap that guides the company's operations. This executive's focus on research and platform engineering is vital for maintaining Citadels competitive edge in the tech consulting industry.

Laurie Haning, the Chief Operating Officer, Finance & Accounting at Citadel, directs the financial operations and accounting strategies that underpin the companys IT services. This leadership position is essential for maintaining the integrity and fiscal health of the organization, ensuring a solid foundation for innovation and growth. Overseeing all financial departments, the Chief Operating Officer, Finance & Accounting ensures that resource allocation aligns with Citadels comprehensive approach to IT strategy and its unique organizational roadmap. Haning's responsibilities include managing budgets, financial reporting, and ensuring compliance, which directly supports the companys ability to provide 24/7 stellar support. By optimizing financial processes, Laurie Haning contributes to the overall efficiency and stability of Citadel, reinforcing its position as a leader in IT services. The financial acumen provided by this role is integral to the companys sustained success and operational excellence.

John Niccolai, the Chief Operating Officer, Global Fixed Income at Citadel, leads the operational execution for the companys fixed income services, integrating advanced IT solutions. This role is pivotal in ensuring the integrity and efficiency of fixed income operations within the broader IT service framework. Overseeing global fixed income operations, the Chief Operating Officer, Global Fixed Income drives the strategic implementation of technology to support a comprehensive approach to IT strategy. Niccolai's leadership ensures that these specialized services benefit from 24/7 stellar support and align with Citadels unique organizational roadmap. By optimizing processes within the global fixed income sector, John Niccolai enhances service delivery and reinforces Citadels commitment to innovation. This executive's focus on a specific financial sector demonstrates the depth and breadth of Citadel's IT service integration capabilities.

Laura Nash, the Chief Operating Officer of Workplace at Citadel, directs the operational strategy and management of the companys workplace environment, ensuring it supports innovation and integrity. This role is crucial for fostering a collaborative atmosphere that enhances the delivery of comprehensive IT services. Overseeing all aspects of workplace operations, the Chief Operating Officer of Workplace ensures that the physical and virtual environments align with Citadels unique organizational roadmap and commitment to 24/7 stellar support. Nash's leadership focuses on creating an efficient and productive ecosystem that empowers employees and supports the companys IT strategy. By optimizing workplace functions, Laura Nash contributes to the overall operational excellence and integrity of Citadel, reinforcing its reputation as a forward-thinking IT service provider. The effective management of the workplace is fundamental to Citadels collaborative approach.

Benjamin Rauh, the Global Chief Operating Officer, Credit at Citadel, leads the operational strategy and execution for the companys credit-related IT services worldwide. This position is key to ensuring the integrity and efficiency of credit operations through advanced technological integration. Overseeing global credit operations, the Global Chief Operating Officer, Credit drives the implementation of innovative solutions that support a comprehensive approach to IT strategy. Rauh's leadership ensures these services benefit from 24/7 stellar support and align with Citadels unique organizational roadmap. By optimizing credit operations on a global scale, Benjamin Rauh enhances service delivery and reinforces Citadels commitment to providing a full spectrum of IT services with precision and reliability. This executive's global perspective is vital for Citadel's international market presence and operational consistency.

Rushi Amin, the Global Chief Operating Officer, Post Trade Engineering Operations, Transaction Services, Position Services at Citadel, directs the complex operational landscape of post-trade engineering, transaction, and position services globally. This role is fundamental to maintaining the integrity and innovation within critical financial technology infrastructure. Overseeing these specialized engineering and operational domains, the Global Chief Operating Officer, Post Trade Engineering Operations, Transaction Services, Position Services drives the technological roadmap for seamless transaction processing and robust position management. Amin's leadership ensures these vital services are supported by 24/7 stellar support, aligning with Citadels unique organizational roadmap and comprehensive IT strategy. By optimizing engineering operations across these key areas, Rushi Amin significantly contributes to the efficiency and reliability of Citadels full spectrum of IT services. This executive's deep focus on post-trade operations underscores Citadel's specialized expertise.

Lewis Prescott, the Chief Operating Officer, Gqs (Asia) at Citadel, spearheads the operational execution for Global Quality Services within the Asian market, ensuring adherence to the highest standards of integrity and innovation. This role is critical for delivering Citadels comprehensive IT services across the Asia-Pacific region. Overseeing GQS operations in Asia, the Chief Operating Officer, Gqs (Asia) drives the implementation of technology-driven quality assurance processes that support the companys IT strategy. Prescott's leadership ensures that regional operations benefit from 24/7 stellar support and align with Citadels unique organizational roadmap. By optimizing quality assurance and service delivery in Asia, Lewis Prescott reinforces Citadels commitment to excellence and its ability to provide a full spectrum of IT services tailored to regional needs. This executive's focus on a specific geographic market highlights Citadel's global reach and localized operational strength.

Stephen Youtzy, the Chief Technology Officer at Citadel, architects the technological vision and innovation strategy for the companys IT services. This role involves guiding the development and implementation of cutting-edge solutions that align with Citadels commitment to integrating innovation and integrity. Overseeing all technology-related departments, the Chief Technology Officer ensures that the companys infrastructure supports a collaborative, comprehensive approach to IT strategy. Youtzy's leadership drives the technological roadmap, ensuring 24/7 stellar support capabilities and the efficient delivery of a full spectrum of IT services. By fostering a culture of continuous improvement, Stephen Youtzy ensures Citadel remains at the forefront of technological advancements, directly contributing to the companys unique organizational roadmap and market position. The Chief Technology Officer's expertise is crucial for maintaining the high standards of service and innovation that define Citadel.