Leadership Overview
StoneX has 10 executives leading key functions including financial strategy, client integration, digital innovation, regional market expansion, and legal governance.
Committed to providing institutional-grade access to global markets, StoneX delivers comprehensive financial services through advanced digital platforms and deep industry expertise to empower traders and investors worldwide.
Committed to providing institutional-grade access to global markets, StoneX delivers comprehensive financial services through advanced digital platforms and deep industry expertise to empower traders and investors worldwide.
Leadership Roles at StoneX
Nicholas Orssich - Chief Executive Officer (Australia)
Nicholas Orssich, the Chief Executive Officer (Australia) at StoneX, directs all regional operations and market expansion initiatives across the Australian territory. Overseeing the delivery of clearing, custody, and settlement services, the Chief Executive Officer (Australia) ensures that local institutional clients receive the full benefit of the global financial network. This role involves navigating regional regulatory environments while maintaining the high-touch service standards expected of the firm. By fostering deep expertise in local market nuances, Nicholas Orssich directly contributes to the growth of the firm's footprint in the region. Orssich manages the strategic alignment of local teams with the broader corporate mission of providing end-to-end trade lifecycle support. Through the cultivation of strong relationships with regional traders and investors, the Chief Executive Officer (Australia) secures a dominant market position. Ultimately, Orssich drives operational excellence and revenue growth within the Australian financial ecosystem.
Anthony Di Ciollo - Chief Executive Officer, StoneX Financial Inc.
Anthony Di Ciollo, the Chief Executive Officer, StoneX Financial Inc. at StoneX, leads the strategic direction and business development for the firm's primary financial entity. Overseeing the delivery of end-to-end clearing and execution services, the Chief Executive Officer, StoneX Financial Inc. ensures that the firm remains a premier partner for institutional clients. This leadership role involves driving the adoption of digital platforms while maintaining the high-touch service model that defines the company. By fostering a culture of deep expertise and market intelligence, Anthony Di Ciollo directly impacts the firm's competitive standing in the global markets ecosystem. Di Ciollo coordinates with other C-suite leaders to align service offerings with evolving client needs. Through the strategic expansion of service capabilities and the maintenance of rigorous compliance standards, the Chief Executive Officer, StoneX Financial Inc. secures the firm's reputation for excellence. Ultimately, Di Ciollo drives the growth and operational success of the core financial business.
Greg Kallinikos - Chief Executive Officer, Asia Pacific
Greg Kallinikos, the Chief Executive Officer, Asia Pacific at StoneX, architects the overarching growth strategy and market presence for the firm across the Asia-Pacific region. Overseeing the integration of global financial services into local markets, the Chief Executive Officer, Asia Pacific ensures that the firm provides unparalleled access to traders and investors. This role involves building strategic partnerships and leveraging deep regional expertise to navigate complex market dynamics. By driving the expansion of the firm's service footprint, Greg Kallinikos directly contributes to the global mission of connecting clients to the markets ecosystem. Kallinikos manages the alignment of regional teams with the firm's high-touch service philosophy. Through the effective deployment of digital platforms and the cultivation of local market intelligence, the Chief Executive Officer, Asia Pacific secures a leading position in the region. Ultimately, Kallinikos ensures that the APAC division delivers consistent value and operational excellence.
William Dunaway - Chief Financial Officer
William Dunaway, the Chief Financial Officer at StoneX, directs the global financial strategy and capital allocation for the firm. Overseeing fiscal reporting, treasury management, and investor relations, the Chief Financial Officer ensures the integrity of the institutional-grade financial services network. This leadership role involves maintaining robust balance sheets to support end-to-end clearing and execution services across diverse market ecosystems. By optimizing capital efficiency, William Dunaway directly impacts the long-term stability and growth trajectory of the organization. Dunaway manages complex regulatory financial requirements while providing the necessary resources for digital platform development. Through rigorous oversight of corporate expenditures and revenue streams, the Chief Financial Officer secures the financial foundation required for high-touch service delivery. Ultimately, Dunaway maintains the fiscal discipline essential for navigating volatile global markets and sustaining the competitive advantage of the firm.
Ricardo Leal - Chief Operating Officer, Sales Team Client Integration
Ricardo Leal, the Chief Operating Officer, Sales Team Client Integration at StoneX, architects the seamless onboarding and technical alignment of institutional clients. Overseeing the integration of diverse trading entities into the global markets ecosystem, the Chief Operating Officer, Sales Team Client Integration ensures that every partner gains immediate access to clearing and execution services. This role involves bridging the gap between high-touch service requirements and digital platform capabilities to maximize user efficiency. By streamlining the client lifecycle from initial consulting to post-trade settlement, Ricardo Leal directly enhances the operational throughput of the sales division. Leal coordinates with internal technology teams to customize platform interfaces for specific institutional needs. Through the systematic removal of friction in the client journey, the Chief Operating Officer, Sales Team Client Integration drives higher retention rates and expands the firm's footprint within the competitive financial services landscape.
Keith Coyne - Chief Operating Officer, Stonex Digital
Keith Coyne, the Chief Operating Officer, Stonex Digital at StoneX, drives the technological evolution and digital infrastructure strategy for the firm. Overseeing the development of proprietary trading platforms, the Chief Operating Officer, Stonex Digital ensures that all digital tools provide reliable, low-latency access to global markets. This leadership role involves managing the intersection of software engineering and financial execution to deliver superior user experiences. By scaling digital capabilities, Keith Coyne directly supports the firm's mission to connect traders and investors through modern, efficient technology. Coyne collaborates with product teams to integrate real-time market intelligence into the digital ecosystem. Through the continuous optimization of platform performance and security, the Chief Operating Officer, Stonex Digital maintains the firm's position at the forefront of financial technology innovation. Ultimately, Coyne ensures that digital assets remain a core pillar of the institutional-grade service offering.
Raghuraman Uthaman - Chief Operating Officer (APAC)
Raghuraman Uthaman, the Chief Operating Officer (APAC) at StoneX, manages the operational infrastructure and service delivery across the Asia-Pacific region. Overseeing the execution of trade clearing and settlement processes, the Chief Operating Officer (APAC) ensures that regional operations remain consistent with global standards. This leadership role involves coordinating boots-on-the-ground intelligence with digital platform access to serve a diverse client base. By optimizing regional workflows, Raghuraman Uthaman directly enhances the efficiency of the firm's APAC operations. Uthaman collaborates with regional leadership to scale service capacity in response to growing market demand. Through the rigorous management of operational risk and the implementation of best-in-class execution protocols, the Chief Operating Officer (APAC) supports the firm's commitment to providing deep expertise in complex markets. Ultimately, Uthaman ensures that the APAC division remains a high-performing component of the global financial services network.
Nicholas DeJarnette - Deputy Chief Operating Officer, Securities
Nicholas DeJarnette, the Deputy Chief Operating Officer, Securities at StoneX, executes the operational strategy for the firm's securities division. Overseeing the clearing and custody functions for equity and fixed-income products, the Deputy Chief Operating Officer, Securities ensures that all transactions meet the highest standards of accuracy and speed. This role involves managing the technical and human resources required to support complex trade lifecycles. By refining the operational processes for securities, Nicholas DeJarnette directly improves the firm's ability to provide best execution to institutional clients. DeJarnette works closely with the broader operations team to integrate new securities products into the existing digital platform ecosystem. Through the continuous monitoring of trade settlement workflows, the Deputy Chief Operating Officer, Securities minimizes risk and maximizes operational throughput. Ultimately, DeJarnette ensures that the securities division maintains the reliability and efficiency necessary for institutional-grade market access.
Ariel Coelho - President, Soft Commodities (Brazil)
Ariel Coelho, the President, Soft Commodities (Brazil) at StoneX, directs the strategic operations and market intelligence for the soft commodities sector within the Brazilian market. Overseeing the end-to-end trade lifecycle for agricultural products, the President, Soft Commodities (Brazil) ensures that local producers and global investors receive expert clearing and execution services. This role involves leveraging boots-on-the-ground intelligence to provide deep expertise in a critical global market. By optimizing the supply chain and trade settlement processes, Ariel Coelho directly enhances the firm's ability to connect Brazilian commodities to the global ecosystem. Coelho manages the integration of digital platforms with local market needs to improve trading efficiency. Through the cultivation of strong relationships with regional stakeholders, the President, Soft Commodities (Brazil) secures a dominant market position. Ultimately, Coelho drives the operational success and growth of the soft commodities division, ensuring that the firm remains a vital link in the global agricultural supply chain.
Diego Rotsztain - Chief Governance and Legal Officer
Diego Rotsztain, the Chief Governance and Legal Officer at StoneX, directs the legal framework and corporate governance standards for the entire global organization. Overseeing regulatory compliance and risk management, the Chief Governance and Legal Officer ensures that all clearing, execution, and custody services operate within the bounds of international law. This leadership role involves providing the legal foundation for the firm's digital platforms and high-touch service offerings. By mitigating legal risks and ensuring adherence to global standards, Diego Rotsztain directly protects the firm's reputation and operational continuity. Rotsztain advises the Board and executive team on complex regulatory changes that impact the global markets ecosystem. Through the implementation of robust governance policies, the Chief Governance and Legal Officer maintains the integrity of the firm's institutional-grade services. Ultimately, Rotsztain secures the legal stability required for the firm to innovate and expand across diverse international jurisdictions.
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Frequently Asked Questions Regarding StoneX Top Executives and Leadership Team
