Leadership Overview
Citadel has 10 executives leading key functions including strategy, administration, operations, and engineering.
Driven by a commitment to innovation and integrity, Citadel delivers comprehensive IT services through a unique organizational roadmap that ensures 24/7 support and long-term client success across the global technology landscape.
Driven by a commitment to innovation and integrity, Citadel delivers comprehensive IT services through a unique organizational roadmap that ensures 24/7 support and long-term client success across the global technology landscape.
Leadership Roles at Citadel
Misha Stange - Office of the Founder and Chief Executive Officer
Misha Stange, the Office of the Founder and Chief Executive Officer at Citadel, directs the overarching strategic vision and long-term growth initiatives. By aligning internal IT service capabilities with evolving market demands, the Office of the Founder and Chief Executive Officer ensures that every technological solution maintains the highest standards of integrity. This leadership role involves constant collaboration with the board to refine the organizational roadmap and expand the firm's influence across North American and international markets. Misha Stange maintains a focus on scaling infrastructure to support complex client needs while fostering a culture of innovation. Through rigorous oversight of corporate governance and strategic partnerships, the Office of the Founder and Chief Executive Officer drives the firm toward sustained excellence. Ultimately, the Office of the Founder and Chief Executive Officer secures the competitive position of the company within the technology consulting sector.
Fallon Sullivan - Chief Administrative Officer & Chief Executive Officer, Office of
Fallon Sullivan, the Chief Administrative Officer & Chief Executive Officer, Office of at Citadel, manages the internal operational framework and administrative efficiency of the firm. By streamlining cross-departmental workflows, the Chief Administrative Officer & Chief Executive Officer, Office of ensures that all IT service delivery remains consistent with the company's core mission. This role involves optimizing resource allocation and supporting the executive team in executing high-level strategic objectives. Fallon Sullivan oversees the integration of administrative processes that underpin the firm's 24/7 support model, ensuring that operational bottlenecks never impede client success. Through the implementation of robust internal policies, the Chief Administrative Officer & Chief Executive Officer, Office of maintains organizational stability across global operations. By fostering a collaborative environment, the Chief Administrative Officer & Chief Executive Officer, Office of directly contributes to the firm's reputation for reliability and technical precision in the competitive IT consulting market.
Lauren Marra - Chief Operating Officer
Lauren Marra, the Chief Operating Officer at Citadel, executes the firm's primary operational strategies and internal service delivery standards. By supervising the daily functions of the IT consulting teams, the Chief Operating Officer ensures that all technical implementations adhere to the company's commitment to innovation and integrity. This role involves managing the intersection of service delivery and client support, ensuring that the 24/7 model functions without interruption. Lauren Marra coordinates with other C-suite leaders to refine the organizational roadmap and improve overall service efficiency. Through the optimization of internal processes, the Chief Operating Officer drives productivity and maintains the firm's competitive edge in the technology consulting industry. By focusing on scalable operations, the Chief Operating Officer supports the firm's expansion into new regional markets. Ultimately, Lauren Marra ensures that the company's operational infrastructure remains robust, agile, and fully aligned with the overarching business objectives.
Michael Krupa - Workplace Chief Operating Officer
Michael Krupa, the Workplace Chief Operating Officer at Citadel, directs the physical and digital environment necessary for high-performance IT service delivery. By overseeing the infrastructure that supports the firm's collaborative approach, the Workplace Chief Operating Officer ensures that all teams possess the tools required for 24/7 stellar support. This role involves managing the integration of workplace technologies that facilitate seamless communication and project execution across global teams. Michael Krupa monitors the efficiency of internal systems to ensure that the organizational roadmap remains supported by a stable and innovative environment. Through the strategic management of workplace resources, the Workplace Chief Operating Officer drives operational excellence and employee productivity. By aligning the physical and digital workspace with the firm's core mission, Michael Krupa maintains a high standard of service quality. Ultimately, the Workplace Chief Operating Officer secures the operational foundation that allows the company to deliver consistent value to clients.
Tom Booker - Chief Operating Officer, Portfolio Construction & Risk Engineering
Tom Booker, the Chief Operating Officer, Portfolio Construction & Risk Engineering at Citadel, architects the technical frameworks required for advanced risk assessment and portfolio management. By overseeing the engineering teams responsible for these critical functions, the Chief Operating Officer, Portfolio Construction & Risk Engineering ensures that the firm's IT services remain at the forefront of industry innovation. This role involves integrating complex data analytics into the company's service offerings to provide clients with actionable insights. Tom Booker coordinates with other operational leaders to ensure that risk engineering protocols align with the firm's broader organizational roadmap. Through the rigorous application of technical standards, the Chief Operating Officer, Portfolio Construction & Risk Engineering drives the development of robust, secure, and scalable solutions. By maintaining a focus on precision and reliability, Tom Booker supports the firm's reputation for excellence. Ultimately, the Chief Operating Officer, Portfolio Construction & Risk Engineering secures the integrity of the firm's analytical capabilities.
Siddhartha Velandy - Chief Operating Officer, Platform & Cloud Engineering
Siddhartha Velandy, the Chief Operating Officer, Platform & Cloud Engineering at Citadel, directs the development and maintenance of the firm's cloud infrastructure and platform services. By overseeing the engineering teams that build and scale these environments, the Chief Operating Officer, Platform & Cloud Engineering ensures that the company's IT services remain agile and highly available. This role involves managing the transition to cloud-native architectures that support the firm's 24/7 support model. Siddhartha Velandy coordinates with other C-suite leaders to ensure that platform engineering initiatives align with the company's long-term organizational roadmap. Through the implementation of cutting-edge cloud technologies, the Chief Operating Officer, Platform & Cloud Engineering drives innovation and operational efficiency. By focusing on infrastructure stability and performance, Siddhartha Velandy supports the firm's ability to deliver complex technical solutions. Ultimately, the Chief Operating Officer, Platform & Cloud Engineering secures the technological backbone that powers the company's service delivery.
Rushi Amin - Global Chief Operating Officer, Post Trade Engineering Operations, Transaction Services, Position Services
Rushi Amin, the Global Chief Operating Officer, Post Trade Engineering Operations, Transaction Services, Position Services at Citadel, manages the complex engineering operations that support post-trade activities and transaction services. By overseeing the systems that handle high-volume data and position tracking, the Global Chief Operating Officer, Post Trade Engineering Operations, Transaction Services, Position Services ensures that the firm's IT services maintain absolute accuracy and reliability. This role involves coordinating global operations to ensure that transaction services remain seamless and compliant with international standards. Rushi Amin monitors the performance of engineering teams to guarantee that the organizational roadmap is supported by efficient post-trade processes. Through the application of advanced technical solutions, the Global Chief Operating Officer, Post Trade Engineering Operations, Transaction Services, Position Services drives operational excellence across the firm's service spectrum. By focusing on transaction integrity, Rushi Amin supports the firm's reputation for precision. Ultimately, the Global Chief Operating Officer, Post Trade Engineering Operations, Transaction Services, Position Services secures the firm's position in the global financial technology market.
Zachary Flum - Chief Operating Officer, Eqr Research & Platform Engineering
Zachary Flum, the Chief Operating Officer, Eqr Research & Platform Engineering at Citadel, directs the research and engineering efforts focused on equity research platforms. By overseeing the development of specialized tools and data platforms, the Chief Operating Officer, Eqr Research & Platform Engineering ensures that the firm's IT services provide unique value to clients. This role involves managing the integration of research-driven insights into the company's broader service offerings. Zachary Flum coordinates with other engineering leaders to ensure that platform development aligns with the firm's organizational roadmap. Through the application of innovative research methodologies, the Chief Operating Officer, Eqr Research & Platform Engineering drives the creation of high-performance technical solutions. By focusing on platform scalability and data integrity, Zachary Flum supports the firm's ability to deliver superior research capabilities. Ultimately, the Chief Operating Officer, Eqr Research & Platform Engineering secures the firm's competitive advantage in the equity research and technology consulting space.
Chace Gordon - Completion Chief Operating Officer, Fixed Income and Macro
Chace Gordon, the Completion Chief Operating Officer, Fixed Income and Macro at Citadel, manages the operational execution of fixed income and macro-economic service strategies. By overseeing the engineering and support teams dedicated to these asset classes, the Completion Chief Operating Officer, Fixed Income and Macro ensures that the firm's IT services meet the specific needs of macro-focused clients. This role involves coordinating the delivery of complex analytical tools that support fixed income trading and research. Chace Gordon monitors the performance of these services to ensure they align with the firm's organizational roadmap and 24/7 support commitment. Through the application of specialized technical knowledge, the Completion Chief Operating Officer, Fixed Income and Macro drives operational efficiency and service quality. By focusing on the unique requirements of the fixed income market, Chace Gordon supports the firm's growth in this sector. Ultimately, the Completion Chief Operating Officer, Fixed Income and Macro secures the firm's reputation for excellence in macro-economic technology consulting.
Michael Katz - Managing Director
Michael Katz, the Managing Director at Citadel, architects the firm's engagement strategy and client relationship management protocols. By overseeing the delivery of comprehensive IT services, the Managing Director ensures that every project aligns with the unique organizational roadmap established by the firm. This leadership position involves coordinating with senior stakeholders to identify new market opportunities and drive revenue growth across diverse technology sectors. Michael Katz monitors the performance of service teams to guarantee that the 24/7 support model meets rigorous quality benchmarks. Through the application of deep industry expertise, the Managing Director navigates complex client requirements and translates them into actionable technical solutions. By maintaining a focus on operational excellence and client satisfaction, Michael Katz strengthens the firm's market presence. Ultimately, the Managing Director secures the long-term viability of the company's service offerings through disciplined management and strategic foresight.
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