New York Stock Exchange Executive and Leadership Team

August, 2026

Leadership Overview

New York Stock Exchange has 5 executives leading key functions including strategy, partnership development, operational scaling, financial oversight, and corporate governance.

Anchored in a legacy of global market leadership, New York Stock Exchange drives the evolution of capital markets through robust trading infrastructure and data transparency, ensuring liquidity and integrity for investors worldwide.

Leadership Roles at New York Stock Exchange

  • Chief Executive Officer - Cynthia DiBartolo
  • Chief Executive Officer & Partner - James OLeary
  • Chief Financial Officer And Senior Vice President New York Stock Exchange Inc - Keith Helsby
  • Chief Operating Officer - Lawrence Liebowitz
  • President - Harriman Simmons
  • Cynthia DiBartolo - Chief Executive Officer

    Cynthia DiBartolo, the Chief Executive Officer at New York Stock Exchange, directs the overarching strategic vision for global market capitalization and trading operations. By prioritizing market integrity, the Chief Executive Officer manages high-level relationships with listed companies and regulatory bodies to maintain the exchange's competitive edge. Cynthia DiBartolo oversees the expansion of data services, ensuring that market participants receive accurate, real-time information necessary for informed decision-making. This leadership role involves navigating complex financial landscapes to foster growth across North American and international markets. Through the implementation of advanced trading technologies, the Chief Executive Officer optimizes platform performance and reliability. By aligning corporate objectives with evolving investor demands, the Chief Executive Officer secures the long-term stability of the exchange. DiBartolo maintains a focus on operational excellence, driving initiatives that enhance liquidity and market accessibility for diverse global stakeholders.

    James OLeary - Chief Executive Officer & Partner

    James OLeary, the Chief Executive Officer & Partner at New York Stock Exchange, architects strategic partnerships that expand the reach of trading and data services. Focusing on institutional collaboration, the Chief Executive Officer & Partner cultivates alliances that strengthen the exchange's position within the global financial ecosystem. James OLeary drives initiatives aimed at increasing market participation through innovative service offerings and enhanced connectivity. This leadership role requires constant engagement with industry partners to identify emerging trends in capital formation and liquidity management. By overseeing the development of collaborative frameworks, the Chief Executive Officer & Partner ensures that the exchange remains at the forefront of financial innovation. OLeary manages the integration of new trading technologies, supporting the broader mission of providing efficient market access. Through these efforts, the Chief Executive Officer & Partner bolsters the exchange's influence across diverse financial sectors, ensuring sustained growth and operational resilience.

    Keith Helsby - Chief Financial Officer And Senior Vice President New York Stock Exchange Inc

    Keith Helsby, the Chief Financial Officer And Senior Vice President New York Stock Exchange Inc at New York Stock Exchange, directs the financial health and fiscal strategy of the organization. Overseeing capital allocation and budgetary planning, the Chief Financial Officer And Senior Vice President New York Stock Exchange Inc ensures that resources support the exchange's core mission of providing market capitalization and data services. Keith Helsby manages financial reporting and investor relations, maintaining transparency regarding the company's economic performance. This leadership role involves analyzing market trends to inform long-term investment decisions and risk management strategies. By optimizing the financial structure, the Chief Financial Officer And Senior Vice President New York Stock Exchange Inc enables the pursuit of growth opportunities in competitive global markets. Helsby coordinates with the board to align fiscal objectives with operational goals, ensuring the exchange maintains a strong balance sheet while continuing to innovate within the financial services industry.

    Lawrence Liebowitz - Chief Operating Officer

    Lawrence Liebowitz, the Chief Operating Officer at New York Stock Exchange, manages the internal infrastructure and daily execution of trading operations. Overseeing the technical stability of the exchange, the Chief Operating Officer ensures that all systems support high-volume transactions with minimal latency. Lawrence Liebowitz directs the implementation of operational protocols that maintain compliance with rigorous financial standards. This leadership role involves coordinating across departments to streamline workflows and improve the efficiency of data delivery services. By optimizing the underlying technology stack, the Chief Operating Officer supports the seamless functioning of the marketplace for all participants. Liebowitz monitors performance metrics to identify areas for process improvement, ensuring that the exchange operates at peak capacity. Through the management of critical operational assets, the Chief Operating Officer sustains the reliability of the platform, directly impacting the trust and confidence of global investors in the exchange's trading environment.

    Harriman Simmons - President

    Harriman Simmons, the President at New York Stock Exchange, oversees the execution of corporate policy and the advancement of the exchange's market position. Driving the implementation of strategic initiatives, the President ensures that all business units remain aligned with the overarching goal of providing superior trading and data services. Harriman Simmons manages the coordination between executive leadership and operational teams to foster a culture of excellence and innovation. This leadership role involves representing the exchange in high-level industry forums and engaging with key stakeholders to promote market stability. By overseeing the development of new service lines, the President expands the exchange's footprint in the global financial landscape. Simmons monitors the competitive environment to adjust tactics, ensuring that the organization remains a leader in capital formation. Through consistent leadership, the President maintains the integrity of the exchange, supporting the broader mission of facilitating efficient and transparent financial markets.

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    Frequently Asked Questions Regarding New York Stock Exchange Top Executives and Leadership Team

    Who leads New York Stock Exchange?
    New York Stock Exchange is led by Cynthia DiBartolo (Chief Executive Officer), along with executives such as James OLeary (Chief Executive Officer & Partner) and Keith Helsby (Chief Financial Officer And Senior Vice President New York Stock Exchange Inc).
    Who is part of New York Stock Exchange’s executive team?
    The executive team of New York Stock Exchange includes leaders such as Cynthia DiBartolo (Chief Executive Officer), James OLeary (Chief Executive Officer & Partner), Keith Helsby (Chief Financial Officer And Senior Vice President New York Stock Exchange Inc) and other senior executives.
    How many executives does New York Stock Exchange have?
    New York Stock Exchange has 5 executives leading key business areas.
    What roles are included in New York Stock Exchange’s leadership team?
    The leadership team of New York Stock Exchange includes roles such as Chief Executive Officer, Chief Executive Officer & Partner, Chief Financial Officer And Senior Vice President New York Stock Exchange Inc, Chief Operating Officer, President.