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 emanating from the executive office. This leadership position involves ensuring operational efficiency across all departments and aligning internal processes with the company's core mission of integrating innovation and integrity into IT services. Overseeing the comprehensive spectrum of IT services, Sullivan ensures that Citadel's unique organizational roadmap is consistently applied, fostering a collaborative environment that supports 24/7 stellar support. The role demands meticulous attention to detail in managing resources and driving strategic planning to maintain Citadel's market position. Fallon Sullivan's oversight guarantees that administrative frameworks support the company's commitment to delivering exceptional IT solutions and maintaining a high standard of service delivery across all operational facets.

Petrus Layarda, the Chief Operating Officer & Chief Financial Officer, Special Projects, Office of at Citadel, manages both the operational execution and financial oversight for key strategic initiatives. This dual role requires a comprehensive understanding of project management, resource allocation, and financial planning to ensure the successful completion of special projects. Layarda directs the operational frameworks and financial controls necessary for these high-impact endeavors, aligning them with Citadel's core mission of innovation and integrity. The Chief Operating Officer & Chief Financial Officer, Special Projects, Office of ensures that financial resources are optimized and operational plans are efficiently implemented. Petrus Layarda's leadership guarantees that these critical projects contribute significantly to Citadel's overall growth and its commitment to delivering comprehensive IT services with stellar support.

Isabella Bondarev, the Chief Operating Officer Team, Office of the Chief Financial Officer at Citadel, supports the operational execution and strategic alignment within the Chief Financial Officer's office. This position involves contributing to the efficiency and integrity of financial operations, ensuring that processes adhere to Citadel's unique organizational roadmap. Bondarev assists in overseeing key financial projects and initiatives, focusing on optimizing resource utilization and driving operational improvements. The Chief Operating Officer Team, Office of the Chief Financial Officer plays a crucial role in enhancing the overall performance and reliability of financial management systems. Isabella Bondarev's contributions ensure that Citadel's financial operations are seamlessly integrated with its comprehensive IT service offerings, supporting the delivery of stellar support.

Lauren Marra, the Chief Operating Officer at Citadel, executes the operational strategies that ensure the seamless delivery of IT services. This executive manages the day-to-day operations, focusing on optimizing processes and enhancing service quality to meet the company's commitment to 24/7 stellar support. Marra's responsibilities include overseeing resource allocation, streamlining workflows, and implementing best practices across all operational units. The Chief Operating Officer plays a pivotal role in translating Citadel's unique organizational roadmap into tangible operational outcomes, ensuring efficiency and effectiveness. Lauren Marra drives initiatives aimed at improving client satisfaction and operational scalability, directly supporting the company's comprehensive approach to IT strategy. This leadership ensures that Citadel consistently provides innovative and integral IT solutions, maintaining high standards of service delivery across its entire spectrum of offerings.

Tom Booker, the Chief Operating Officer, Portfolio Construction & Risk Engineering at Citadel, spearheads the operational aspects of portfolio construction and risk engineering. This specialized role involves developing and implementing efficient processes for building and managing investment portfolios, with a strong emphasis on robust risk management frameworks. Booker oversees the engineering of sophisticated risk assessment tools and methodologies, ensuring that Citadel's clients receive integrated and innovative solutions. The Chief Operating Officer, Portfolio Construction & Risk Engineering drives the operational execution of strategies designed to optimize portfolio performance and mitigate potential risks. Tom Booker's leadership ensures that these critical functions align with Citadel's broader commitment to integrity and comprehensive IT service delivery, supporting the company's unique organizational roadmap. This focus enhances the reliability and effectiveness of Citadel's technology consulting services.

Janna Shaftan, the Chief Operating Officer, Platform Engineering (Ai, Databases, China) at Citadel, directs the operational execution for critical platform engineering initiatives, including Artificial Intelligence, database management, and operations within the China market. This executive ensures that advanced AI solutions and database systems are developed and maintained with utmost efficiency and integrity. Shaftan oversees the operational deployment and scaling of these technologies, adapting strategies to meet the specific demands of the China region. The Chief Operating Officer, Platform Engineering (Ai, Databases, China) is instrumental in integrating innovation into Citadel's core platform offerings, supporting the company's comprehensive approach to IT strategy. Janna Shaftan's leadership guarantees that these specialized engineering functions contribute to Citadel's reputation for delivering stellar, 24/7 support and advanced IT services globally.

Rishi Sharma, the Global Chief Operating Officer, Credit Technology at Citadel, leads the operational strategy and execution for all credit technology initiatives worldwide. This executive ensures that the technology supporting credit operations is efficient, innovative, and fully integrated with Citadel's broader IT service spectrum. Sharma oversees the global deployment and management of credit-related technological solutions, focusing on integrity and reliability. The Global Chief Operating Officer, Credit Technology drives operational excellence in areas such as credit analysis platforms, risk assessment tools, and transaction processing systems. Rishi Sharma's leadership ensures these critical functions align with Citadel's unique organizational roadmap and commitment to 24/7 stellar support, enhancing the company's capacity to deliver comprehensive and cutting-edge IT services in the financial technology sector.

Kyle Hanpeter, the Chief Operating Officer, Treasury at Citadel, directs the operational efficiency and technological integration within the company's treasury functions. This role focuses on optimizing processes related to financial management, cash flow, and investment operations, ensuring integrity and accuracy. Hanpeter oversees the implementation of advanced technological solutions that support treasury activities, aligning with Citadel's commitment to innovation. The Chief Operating Officer, Treasury ensures that operational strategies enhance financial stability and support the company's broader IT service delivery model. Kyle Hanpeter's leadership guarantees that treasury operations are robust, secure, and contribute to Citadel's overall mission of providing comprehensive and reliable IT services, including 24/7 stellar support for financial systems.

Benjamin Krop, the Deputy Chief Operating Officer, Quantitative Strategies at Citadel, assists in the operational management of quantitative strategy development and implementation. This role focuses on ensuring the efficiency and integrity of the processes that underpin Citadel's quantitative analysis and trading strategies. Krop supports the optimization of operational workflows, contributing to the effective deployment of advanced analytical tools and models. The Deputy Chief Operating Officer, Quantitative Strategies plays a key part in translating complex quantitative concepts into executable operational plans, aligning with Citadel's commitment to innovation. Benjamin Krop's efforts enhance the reliability and scalability of quantitative operations, supporting the company's comprehensive IT services and its dedication to providing 24/7 stellar support for its technological solutions.

Stephen Youtzy, the Chief Technology Officer at Citadel, architects the technological vision and strategy that underpins the company's IT services. This role is central to integrating innovation across Citadel's offerings, ensuring that cutting-edge solutions are developed and deployed to meet client needs. Youtzy oversees the technology roadmap, guiding the development of scalable and robust IT infrastructure that supports 24/7 stellar support and comprehensive service delivery. The Chief Technology Officer drives research and development initiatives, exploring new technologies to enhance Citadel's competitive edge in the tech consulting market. Stephen Youtzy's leadership ensures that technology investments align with the company's commitment to integrity and operational excellence, directly impacting the effectiveness and efficiency of all IT services provided. This position is critical for maintaining Citadel's reputation for delivering advanced and reliable technological solutions.