TMX Executive and Leadership Team

June, 2026

Leadership Overview

TMX has 10 executives leading key functions including strategy, finance, information technology, operations, human resources, and revenue generation.

Driven by a commitment to innovation, TMX provides essential data products and services to the global financial community, fostering market integrity and growth since its establishment in 1852.

Leadership Roles at TMX

  • Chief Executive Officer - Matt Zimmerman
  • Chief Financial Officer - David Arnold
  • Chief Operating Officer, Transformation & Global Tsx & Capital Formation Officer - Tala Zarbafi
  • President, TMX Datalinx - Michelle Tran
  • President, TMX Newsfile - Michael Kousaie
  • Chief Information Officer - Judy Dinn
  • Executive Assistant To Chief Human Resources Officer - Erin Echlin
  • Chief Technology Officer & Chief Information Security Officer - Bobby Singh
  • Deputy Chief Revenue Officer - Jonathan Bérubé
  • Chief Human Resources Officer - Cynthia Bush
  • Matt Zimmerman - Chief Executive Officer

    Matt Zimmerman, the Chief Executive Officer at TMX, directs the overarching corporate strategy and operational execution. Zimmerman guides the company's expansion into new financial data products and services, ensuring alignment with the international financial community's evolving needs. This leadership role involves fostering innovation across all subsidiaries, driving TMX's mission to maintain market integrity and facilitate capital formation. Zimmerman oversees the integration of technological advancements to enhance data delivery and client services, solidifying TMX's position as a critical infrastructure provider. The Chief Executive Officer's focus remains on sustainable growth and maximizing shareholder value through strategic initiatives and robust financial oversight. By championing a culture of excellence, Matt Zimmerman ensures TMX consistently meets and exceeds the demands of a dynamic global marketplace.

    David Arnold - Chief Financial Officer

    David Arnold, the Chief Financial Officer at TMX, manages all financial operations and strategic fiscal planning. Arnold oversees budgeting, forecasting, and financial reporting, ensuring TMX maintains robust financial health and compliance with international standards. This executive function involves optimizing capital allocation to support the development of new data products and services for the financial community. Arnold drives initiatives to enhance financial efficiency and profitability across TMX's diverse subsidiaries. The Chief Financial Officer's responsibilities extend to managing investor relations and securing funding for strategic growth opportunities. By implementing rigorous financial controls, David Arnold safeguards the company's assets and supports its long-term sustainability. Arnold's leadership ensures TMX's financial strategies directly contribute to its mission of serving the global financial ecosystem.
    David Arnold

    Tala Zarbafi - Chief Operating Officer, Transformation & Global Tsx & Capital Formation Officer

    Tala Zarbafi, the Chief Operating Officer, Transformation & Global Tsx & Capital Formation Officer at TMX, drives operational excellence and strategic transformation initiatives. Zarbafi oversees the execution of key projects aimed at enhancing TMX's global operations, particularly focusing on TSX and capital formation services. This executive function involves optimizing business processes and implementing innovative solutions to support the international financial community. Zarbafi leads efforts to streamline operations, improve efficiency, and foster growth across TMX's diverse business units. The Chief Operating Officer, Transformation & Global Tsx & Capital Formation Officer's responsibilities include managing complex operational changes and ensuring seamless integration of new services. By focusing on transformation and global reach, Tala Zarbafi strengthens TMX's market position and its ability to facilitate capital formation.

    Michelle Tran - President, TMX Datalinx

    Michelle Tran, the President, TMX Datalinx at TMX, directs the strategic vision and operational execution for TMX's data solutions business. Tran oversees the development, marketing, and delivery of TMX Datalinx's comprehensive suite of data products and services to the global financial markets. This leadership position involves driving innovation in data analytics and information dissemination, ensuring clients receive timely and accurate financial intelligence. Tran focuses on expanding market share and enhancing client engagement through superior product offerings and customer support. The President, TMX Datalinx's responsibilities include managing P&L, fostering strategic partnerships, and ensuring operational excellence within the Datalinx division. By leading TMX Datalinx, Michelle Tran significantly contributes to TMX's overall mission of providing essential financial data and services worldwide.

    Michael Kousaie - President, TMX Newsfile

    Michael Kousaie, the President, TMX Newsfile at TMX, leads the strategic direction and operational management of TMX's news distribution services. Kousaie oversees the delivery of critical press release and regulatory filing services to corporations and the financial community globally. This executive role involves enhancing the reach and impact of TMX Newsfile's platform, ensuring efficient and secure dissemination of vital corporate information. Kousaie drives initiatives to innovate and expand the service offerings, meeting the evolving needs of public companies and media outlets. The President, TMX Newsfile's responsibilities include managing client relationships, optimizing distribution channels, and ensuring compliance with regulatory requirements. By leading TMX Newsfile, Michael Kousaie strengthens TMX's position as a key provider of essential financial communications.

    Judy Dinn - Chief Information Officer

    Judy Dinn, the Chief Information Officer at TMX, architects the company's technology strategy and information systems. Dinn oversees the development and implementation of secure, scalable IT infrastructure to support TMX's data products and services for the international financial community. This critical role involves ensuring the integrity and availability of information systems, crucial for maintaining market operations. Dinn drives digital transformation initiatives, enhancing operational efficiency and client experience through advanced technological solutions. The Chief Information Officer's purview includes cybersecurity, data governance, and IT risk management, safeguarding sensitive financial data. By leading technological innovation, Judy Dinn ensures TMX remains at the forefront of the financial technology landscape. Dinn's strategic vision empowers TMX to deliver cutting-edge services and maintain its competitive edge.
    Judy Dinn

    Erin Echlin - Executive Assistant To Chief Human Resources Officer

    Erin Echlin, the Executive Assistant To Chief Human Resources Officer at TMX, provides comprehensive administrative and operational support to the Human Resources leadership. Echlin manages complex scheduling, coordinates executive communications, and facilitates the smooth functioning of the HR department, which is vital for supporting TMX's workforce. This role involves preparing essential documentation, organizing meetings, and ensuring efficient workflow for HR initiatives aimed at employee development and engagement. Echlin plays a key part in maintaining confidentiality and professionalism in all interactions, supporting the strategic objectives of the Chief Human Resources Officer. The Executive Assistant's contribution is integral to the effective management of human capital, ensuring TMX's employees are well-supported. Erin Echlin's diligent support enables the HR team to focus on talent acquisition and retention strategies.

    Bobby Singh - Chief Technology Officer & Chief Information Security Officer

    Bobby Singh, the Chief Technology Officer & Chief Information Security Officer at TMX, spearheads the company's technological innovation and cybersecurity posture. Singh directs the development and deployment of advanced technology solutions that underpin TMX's data products and services for the global financial sector. This dual role emphasizes safeguarding TMX's digital assets and ensuring the resilience of its information systems against evolving threats. Singh oversees the integration of cutting-edge technologies to enhance operational efficiency and client service delivery. The Chief Technology Officer & Chief Information Security Officer's strategic focus includes managing IT infrastructure, driving research and development, and implementing robust security protocols. By championing technological excellence and security, Bobby Singh ensures TMX operates with the highest levels of integrity and reliability.

    Jonathan Bérubé - Deputy Chief Revenue Officer

    Jonathan Bérubé, the Deputy Chief Revenue Officer at TMX, supports the strategic direction and execution of revenue generation initiatives. Bérubé collaborates with sales and marketing teams to expand market reach for TMX's data products and services within the international financial community. This role involves analyzing market trends and identifying new opportunities for revenue growth. Bérubé contributes to developing and implementing effective sales strategies that align with TMX's overall business objectives. The Deputy Chief Revenue Officer's focus includes enhancing client relationships and ensuring customer satisfaction to drive recurring revenue streams. By supporting the Chief Revenue Officer, Jonathan Bérubé plays a vital part in TMX's financial performance and sustained growth. Bérubé's efforts are crucial for maximizing TMX's commercial success.

    Cynthia Bush - Chief Human Resources Officer

    Cynthia Bush, the Chief Human Resources Officer at TMX, leads the strategic management of the company's human capital. Bush oversees all aspects of human resources, including talent acquisition, employee development, compensation, and benefits, ensuring TMX attracts and retains top talent. This executive function is critical for supporting the company's mission to serve the international financial community by fostering a skilled and engaged workforce. Bush drives initiatives to cultivate a positive and inclusive corporate culture that aligns with TMX's values and strategic goals. The Chief Human Resources Officer's responsibilities include developing and implementing HR policies that support operational efficiency and employee well-being. By championing human resources best practices, Cynthia Bush ensures TMX has the organizational strength to achieve its business objectives.

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    Frequently Asked Questions Regarding TMX Top Executives and Leadership Team

    Who leads TMX?
    TMX is led by Matt Zimmerman (Chief Executive Officer), along with executives such as David Arnold (Chief Financial Officer) and Tala Zarbafi (Chief Operating Officer, Transformation & Global Tsx & Capital Formation Officer).
    Who is part of TMX’s executive team?
    The executive team of TMX includes leaders such as Matt Zimmerman (Chief Executive Officer), David Arnold (Chief Financial Officer), Tala Zarbafi (Chief Operating Officer, Transformation & Global Tsx & Capital Formation Officer) and other senior executives.
    How many executives does TMX have?
    TMX has 10 executives leading key business areas.
    What roles are included in TMX’s leadership team?
    The leadership team of TMX includes roles such as Chief Executive Officer, Chief Financial Officer, Chief Operating Officer, Transformation & Global Tsx & Capital Formation Officer, President, TMX Datalinx, President, TMX Newsfile.