Leadership Overview
StoneX has 9 executives leading key functions including technology, finance, operations, and legal.
Driven by a commitment to global market access, StoneX connects clients to the financial ecosystem through innovative digital platforms and expert services, fostering growth and efficiency across diverse markets.
Driven by a commitment to global market access, StoneX connects clients to the financial ecosystem through innovative digital platforms and expert services, fostering growth and efficiency across diverse markets.
Leadership Roles at StoneX
Greg Kallinikos - Chief Executive Officer (Asia Pacific)
Greg Kallinikos, the Chief Executive Officer (Asia Pacific) at StoneX, directs the company's strategic growth and operations across the Asia Pacific region. Overseeing market expansion and client engagement, Kallinikos ensures StoneX's services are tailored to regional demands. This leadership role involves building strong relationships with institutional clients and partners throughout the Asia Pacific markets. By driving business development and operational excellence, the Chief Executive Officer (Asia Pacific) strengthens StoneX's presence in this key economic zone. Kallinikos's vision is focused on delivering StoneX's comprehensive financial services network, including end-to-end clearing and execution, to a diverse client base. Greg Kallinikos's leadership is pivotal in extending StoneX's global reach and impact within the dynamic Asia Pacific financial landscape.
William Dunaway - Chief Financial Officer
William Dunaway, the Chief Financial Officer at StoneX, manages the company's financial health and strategic fiscal planning. Overseeing all financial operations, Dunaway ensures robust capital management and drives profitability across the global network. This critical role involves developing financial strategies that align with StoneX's mission of connecting clients to the global markets ecosystem. By guiding investment decisions and optimizing resource allocation, the Chief Financial Officer supports the company's expansion and service delivery. Dunaway's expertise is vital for maintaining financial integrity and fostering sustainable growth. The Chief Financial Officer's oversight extends to financial reporting, risk management, and ensuring compliance with regulatory requirements, thereby securing the long-term financial stability of StoneX's institutional-grade services.
Keith Coyne - Chief Operating Officer, Stonex Digital
Keith Coyne, the Chief Operating Officer, Stonex Digital at StoneX, spearheads the operational execution of the company's digital initiatives. Overseeing the development and deployment of digital platforms, Coyne ensures seamless client access to global markets. This leadership position involves optimizing the efficiency and scalability of StoneX's digital offerings, directly supporting end-to-end clearing and execution services. By driving operational excellence within the digital division, Coyne enhances the high-touch service model. The Chief Operating Officer, Stonex Digital's focus is on streamlining processes and integrating cutting-edge technology to meet evolving client needs. Coyne's strategic direction ensures that StoneX Digital remains at the forefront of financial technology, providing clients with superior tools and support throughout the entire trade lifecycle.
Nicholas DeJarnette - Deputy Chief Operating Officer, Securities
Nicholas DeJarnette, the Deputy Chief Operating Officer, Securities at StoneX, supports the operational management of the securities division. Overseeing key operational functions, DeJarnette ensures the efficient delivery of clearing and execution services for securities clients. This role involves collaborating with teams to enhance operational workflows and client support throughout the trade lifecycle. By focusing on process improvement and risk mitigation, DeJarnette contributes to the reliability of StoneX's institutional-grade offerings. The Deputy Chief Operating Officer, Securities's efforts are directed towards maintaining high standards of service and operational integrity. DeJarnette's work is integral to providing clients with seamless access to global markets and robust post-trade support, reinforcing StoneX's position as a trusted financial partner.
Ariel Coelho - President, Soft Commodities (Brazil)
Ariel Coelho, the President, Soft Commodities (Brazil) at StoneX, leads the company's soft commodities business within Brazil. Overseeing trading, execution, and client services in this vital sector, Coelho ensures StoneX provides comprehensive support to agricultural producers and traders. This position involves developing strategies to navigate the complexities of the Brazilian soft commodities market, connecting local participants to global opportunities. By fostering strong client relationships and driving operational efficiency, the President, Soft Commodities (Brazil) enhances StoneX's market position. Ariel Coelho's expertise is crucial for delivering best execution and post-trade services tailored to the specific needs of the soft commodities sector. Coelho's leadership ensures StoneX remains a key partner for clients operating within Brazil's dynamic agricultural economy.
Charles Lyon - Group President
Charles Lyon, the Group President at StoneX, holds a broad leadership mandate across multiple business segments. Overseeing key strategic initiatives and operational units, Lyon drives the integration and growth of StoneX's diverse financial services. This role involves ensuring alignment across different divisions to deliver a cohesive client experience and maximize market impact. By guiding strategic planning and resource deployment, the Group President enhances StoneX's ability to connect clients to the global markets ecosystem. Lyon's focus is on fostering innovation and operational excellence throughout the organization. Charles Lyon's leadership is instrumental in expanding StoneX's reach and reinforcing its reputation as an institutional-grade financial network, supporting clients throughout the entire trade lifecycle.
Oscar Schaps - FCM Division President Latin America
Oscar Schaps, the FCM Division President Latin America at StoneX, leads the Futures Commission Merchant (FCM) division across Latin America. Overseeing operations and client services, Schaps ensures StoneX provides robust clearing and execution services for derivatives markets in the region. This leadership position involves developing strategies to expand market share and enhance client engagement throughout Latin America. By driving operational efficiency and client-centric solutions, the FCM Division President Latin America strengthens StoneX's position as a key financial partner. Schaps's focus is on delivering best-in-class FCM services, connecting regional clients to global futures and options markets. Oscar Schaps's dedication ensures StoneX's continued success and growth within the dynamic Latin American financial landscape.
Abbey Perkins - Chief Information Officer
Abbey Perkins, the Chief Information Officer at StoneX, directs the company's technology strategy and digital infrastructure. Overseeing all IT operations, Perkins ensures the seamless integration of advanced technological solutions across the global financial services network. This leadership role involves architecting scalable and secure platforms that support StoneX's end-to-end clearing and execution services. By driving innovation in digital connectivity, Perkins enhances the client experience and operational efficiency. The Chief Information Officer's focus remains on leveraging technology to maintain StoneX's competitive edge in the global markets ecosystem. Perkins's strategic vision underpins the company's ability to deliver high-touch service and deep expertise through its digital offerings, directly impacting client access and trade lifecycle support.
Diego Rotsztain - Chief Governance & Legal Officer
Diego Rotsztain, the Chief Governance & Legal Officer at StoneX, oversees the company's corporate governance framework and legal affairs. Ensuring compliance with global regulations and ethical standards, Rotsztain safeguards StoneX's operations and reputation. This critical role involves managing legal risks and advising on corporate strategy to support the company's mission. By maintaining robust governance structures, the Chief Governance & Legal Officer ensures the integrity of StoneX's institutional-grade financial services. Rotsztain's expertise is vital for navigating the complex legal landscape of international finance. Diego Rotsztain's leadership ensures that StoneX operates with the highest standards of compliance and accountability, reinforcing client trust and market stability.
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