Granite Executive and Leadership Team

September, 2026

Leadership Overview

Granite has 4 executives leading key functions including financial strategy, operational efficiency, wholesale account management, and administrative governance.

Committed to delivering comprehensive voice and data solutions across North America, Granite prioritizes seamless connectivity and secure network infrastructure to empower businesses with reliable, one-stop communication services.

Leadership Roles at Granite

  • Chief Financial Officer - Jonathon Parker- Stafford
  • Chief Operating Officer - Jack McCadden
  • Senior Wholesale Account Executive & President, 2023 & 2025 's Club Winner - Thomas Antal
  • Chief Administrative Officer (CAO) - Michael Galvin
  • Jonathon Parker- Stafford - Chief Financial Officer

    Jonathon Parker- Stafford, the Chief Financial Officer at Granite, directs all fiscal planning and capital allocation strategies. Managing the financial health of the organization, the Chief Financial Officer oversees budgeting, forecasting, and long-term investment initiatives to support the expansion of voice and data services across the United States and Canada. This leadership role involves maintaining rigorous compliance standards while optimizing cost structures to ensure competitive pricing for enterprise clients. By analyzing market trends and revenue streams, Jonathon Parker- Stafford directly impacts the company's ability to scale infrastructure projects. The Chief Financial Officer collaborates with the board to align fiscal objectives with the broader mission of providing secure network options. Through disciplined financial oversight, the Chief Financial Officer secures the resources necessary for sustained growth and operational excellence within the competitive telecommunications landscape.

    Jack McCadden - Chief Operating Officer

    Jack McCadden, the Chief Operating Officer at Granite, directs the daily execution of voice, data, and wireless service delivery. Overseeing the technical operations and service fulfillment teams, the Chief Operating Officer ensures that network reliability remains at the forefront of the customer experience across North American markets. This leadership role involves streamlining internal processes to improve response times for complex client requirements. By coordinating cross-functional teams, Jack McCadden drives the implementation of advanced internet and video solutions. The Chief Operating Officer monitors performance metrics to identify opportunities for efficiency gains in service deployment. Through constant evaluation of operational workflows, the Chief Operating Officer maintains the high standards required for secure network options. McCadden fosters a culture of technical precision, ensuring that the company meets the evolving connectivity demands of businesses throughout the United States and Canada.

    Thomas Antal - Senior Wholesale Account Executive & President, 2023 & 2025 's Club Winner

    Thomas Antal, the Senior Wholesale Account Executive & President, 2023 & 2025 's Club Winner at Granite, directs strategic partnerships and wholesale market expansion. Managing high-value client relationships, the Senior Wholesale Account Executive & President, 2023 & 2025 's Club Winner secures long-term contracts for voice and data infrastructure across the North American region. This leadership role involves identifying new business opportunities within the wholesale sector to increase market penetration. By negotiating complex service agreements, Thomas Antal ensures that wholesale partners receive tailored, secure network solutions. The Senior Wholesale Account Executive & President, 2023 & 2025 's Club Winner collaborates with product teams to align service offerings with specific wholesale requirements. Through consistent revenue growth and client retention, Antal strengthens the company's position as a premier provider of telecommunications services. This role remains vital for maintaining the company's competitive edge in the wholesale landscape.
    Thomas Antal

    Michael Galvin - Chief Administrative Officer (CAO)

    Michael Galvin, the Chief Administrative Officer (CAO) at Granite, directs internal governance, corporate policy, and organizational infrastructure. Overseeing human resources, legal compliance, and facilities management, the Chief Administrative Officer (CAO) ensures that the company maintains a robust framework for supporting its North American operations. This leadership role involves streamlining administrative processes to enhance productivity across all departments. By implementing standardized protocols, Michael Galvin supports the seamless delivery of voice, data, and internet services. The Chief Administrative Officer (CAO) works closely with other executives to align corporate culture with the mission of providing reliable communication solutions. Through effective management of internal resources, the Chief Administrative Officer (CAO) fosters an environment conducive to innovation and operational stability. Galvin ensures that all administrative functions remain agile, allowing the company to adapt quickly to the changing needs of the telecommunications industry.
    Michael Galvin

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    Frequently Asked Questions Regarding Granite Top Executives and Leadership Team

    Who leads Granite?
    Granite is led by Jonathon Parker- Stafford (Chief Financial Officer), along with executives such as Jack McCadden (Chief Operating Officer) and Thomas Antal (Senior Wholesale Account Executive & President, 2023 & 2025 's Club Winner).
    Who is part of Granite’s executive team?
    The executive team of Granite includes leaders such as Jonathon Parker- Stafford (Chief Financial Officer), Jack McCadden (Chief Operating Officer), Thomas Antal (Senior Wholesale Account Executive & President, 2023 & 2025 's Club Winner) and other senior executives.
    How many executives does Granite have?
    Granite has 4 executives leading key business areas.
    What roles are included in Granite’s leadership team?
    The leadership team of Granite includes roles such as Chief Financial Officer, Chief Operating Officer, Senior Wholesale Account Executive & President, 2023 & 2025 's Club Winner, Chief Administrative Officer (CAO).