ION Executive and Leadership Team

August, 2026

Leadership Overview

ION has 8 executives leading key functions including financial strategy, revenue generation, technology development, operational management, and executive administration.

Focused on delivering advanced trading and workflow automation software, ION empowers financial institutions and corporations to optimize complex processes through innovative digital solutions that drive global market efficiency.

Leadership Roles at ION

  • Chief of Staff To the Chief Executive Officer - Cassandra Christman
  • Chief Of Staff To Chief Financial Officer Of Dealogic - Elias Economou
  • Global Chief Operating Officer, Client-Facing Org Head of Sales, Investor - Gregory Fujii
  • Chief Operating Officer, ION Corporates - John Blankson
  • President - John Sheppard
  • President - Steven Fuhrmann
  • Chief Revenue Officer, Corporates, Commodities, Treasury, Ion - Derek DiPerna
  • Chief Technology Officer, Ion Corporates - Thomas Marrapodi
  • Cassandra Christman - Chief of Staff To the Chief Executive Officer

    Cassandra Christman, the Chief of Staff To the Chief Executive Officer at ION, manages the strategic priorities and administrative flow of the executive office. Overseeing the coordination of cross-departmental initiatives, the Chief of Staff To the Chief Executive Officer ensures that the vision of the leadership team translates into actionable business outcomes. This role involves facilitating communication between the Board and the senior management team to maintain organizational alignment. Cassandra Christman monitors the progress of key corporate projects, ensuring that all milestones support the mission of providing advanced trading software. By streamlining executive decision-making processes, the Chief of Staff To the Chief Executive Officer enhances the overall efficiency of the firm. Through the management of high-level corporate communications and strategic planning, Christman supports the long-term growth and market impact of the company within the global financial technology landscape.

    Elias Economou - Chief Of Staff To Chief Financial Officer Of Dealogic

    Elias Economou, the Chief Of Staff To Chief Financial Officer Of Dealogic at ION, manages the strategic financial reporting and internal resource allocation for the Dealogic division. By coordinating closely with the Chief Financial Officer, Economou ensures that fiscal planning aligns with the broader software automation goals of the organization. This role involves analyzing complex financial data to support decision-making processes across international markets. Elias Economou maintains rigorous oversight of budgetary compliance and capital efficiency, which directly impacts the long-term stability of the firm. Through the implementation of streamlined reporting frameworks, the Chief Of Staff To Chief Financial Officer Of Dealogic enhances transparency for stakeholders. By bridging the gap between executive financial strategy and operational execution, Economou facilitates the rapid scaling of financial software solutions, ultimately securing the competitive position of the company within the global financial technology landscape.

    Gregory Fujii - Global Chief Operating Officer, Client-Facing Org Head of Sales, Investor

    Gregory Fujii, the Global Chief Operating Officer, Client-Facing Org Head of Sales, Investor at ION, directs the operational execution of all client-facing activities and sales initiatives. Overseeing the global service delivery model, the Global Chief Operating Officer, Client-Facing Org Head of Sales, Investor ensures that the software solutions provided to financial institutions meet rigorous quality and performance benchmarks. This role involves managing the integration of sales and service teams to maximize client satisfaction and retention across international markets. Gregory Fujii coordinates with the executive board to refine the go-to-market strategy and improve overall operational agility. By optimizing the client engagement lifecycle, the Global Chief Operating Officer, Client-Facing Org Head of Sales, Investor drives sustainable growth and enhances the reputation of the firm. Through the implementation of scalable service frameworks, Fujii ensures that the company maintains a dominant position in the financial software industry.
    Gregory Fujii

    John Blankson - Chief Operating Officer, ION Corporates

    John Blankson, the Chief Operating Officer, ION Corporates at ION, directs the internal business processes and operational workflows for the corporate division. Overseeing the daily execution of service delivery, the Chief Operating Officer, ION Corporates ensures that the software solutions provided to corporations remain efficient and reliable. This role involves optimizing internal resource allocation to support the rapid deployment of trading and automation tools. John Blankson collaborates with the technology and sales teams to ensure that operational capacity matches the growth demands of the firm. By implementing standardized operational procedures, the Chief Operating Officer, ION Corporates improves the speed and quality of client support across global markets. Through the continuous monitoring of operational metrics, Blankson drives improvements in productivity and cost-efficiency, ultimately strengthening the market position of the company as a leader in financial software solutions.

    John Sheppard - President

    John Sheppard, the President at ION, directs the overarching business strategy and corporate development initiatives for the organization. Overseeing the expansion of the software portfolio, the President ensures that the company maintains a competitive edge in the global financial technology market. This role involves managing high-level relationships with central banks and major financial institutions to drive long-term partnerships. John Sheppard coordinates with the executive team to align product innovation with the evolving needs of the industry. By fostering a culture of excellence and operational rigor, the President supports the sustained growth and profitability of the firm. Through the execution of strategic acquisitions and market expansion plans, Sheppard enhances the global footprint of the company. This leadership role remains focused on delivering value to clients through superior trading and workflow automation software, ensuring the continued success of the organization.
    John Sheppard

    Steven Fuhrmann - President

    Steven Fuhrmann, the President at ION, directs the operational scaling and market penetration strategies for the core software business units. Overseeing the integration of new technologies into the existing product ecosystem, the President ensures that the firm delivers cutting-edge trading and workflow automation tools to its diverse client base. This role involves managing the performance of key business segments to ensure alignment with the long-term financial goals of the company. Steven Fuhrmann collaborates with the executive leadership to refine the product roadmap and address emerging challenges in the financial sector. By optimizing the delivery of software solutions, the President enhances the operational efficiency of financial institutions worldwide. Through the implementation of robust management frameworks, Fuhrmann drives the growth of the firm and secures its reputation as a premier provider of financial technology, ultimately impacting the global market landscape.

    Derek DiPerna - Chief Revenue Officer, Corporates, Commodities, Treasury, Ion

    Derek DiPerna, the Chief Revenue Officer, Corporates, Commodities, Treasury, Ion at ION, directs all commercial growth initiatives across the corporate, commodities, and treasury sectors. Overseeing global sales teams, the Chief Revenue Officer, Corporates, Commodities, Treasury, Ion ensures that the software suite meets the evolving needs of central banks and financial institutions. This leadership role involves architecting high-impact market entry strategies that expand the footprint of the company in diverse geographic regions. By optimizing the sales funnel and fostering long-term client partnerships, Derek DiPerna directly drives the revenue trajectory of the organization. The Chief Revenue Officer, Corporates, Commodities, Treasury, Ion maintains a focus on cross-functional collaboration to ensure that product development remains synchronized with market demand. Through the execution of data-driven sales methodologies, DiPerna secures consistent growth and strengthens the market presence of the firm in the competitive financial software industry.

    Thomas Marrapodi - Chief Technology Officer, Ion Corporates

    Thomas Marrapodi, the Chief Technology Officer, Ion Corporates at ION, architects the scalable software infrastructure that powers the corporate trading and workflow automation platforms. Overseeing the engineering and development teams, the Chief Technology Officer, Ion Corporates ensures that all technical solutions maintain high performance and security standards for global financial clients. This role involves driving the innovation roadmap to integrate advanced automation capabilities into existing product lines. Thomas Marrapodi collaborates with other C-suite leaders to align technical capabilities with the overarching business strategy of the firm. By prioritizing the development of robust, cloud-ready software, the Chief Technology Officer, Ion Corporates enhances the operational efficiency of corporate clients worldwide. Through the continuous refinement of the technology stack, Marrapodi supports the delivery of reliable, high-speed trading tools that define the market impact of the company in the financial technology sector.

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    Frequently Asked Questions Regarding ION Top Executives and Leadership Team

    Who leads ION?
    ION is led by Cassandra Christman (Chief of Staff To the Chief Executive Officer), along with executives such as Elias Economou (Chief Of Staff To Chief Financial Officer Of Dealogic) and Gregory Fujii (Global Chief Operating Officer, Client-Facing Org Head of Sales, Investor).
    Who is part of ION’s executive team?
    The executive team of ION includes leaders such as Cassandra Christman (Chief of Staff To the Chief Executive Officer), Elias Economou (Chief Of Staff To Chief Financial Officer Of Dealogic), Gregory Fujii (Global Chief Operating Officer, Client-Facing Org Head of Sales, Investor) and other senior executives.
    How many executives does ION have?
    ION has 8 executives leading key business areas.
    What roles are included in ION’s leadership team?
    The leadership team of ION includes roles such as Chief of Staff To the Chief Executive Officer, Chief Of Staff To Chief Financial Officer Of Dealogic, Global Chief Operating Officer, Client-Facing Org Head of Sales, Investor, Chief Operating Officer, ION Corporates, President.