Mitel Executive and Leadership Team

September, 2026

Leadership Overview

Mitel has 10 executives leading key functions including strategy, financial oversight, sales expansion, and technological innovation.

Focused on delivering seamless business communications, Mitel empowers global organizations through advanced cloud and enterprise collaboration tools that bridge the gap between complex infrastructure and user-friendly connectivity.

Leadership Roles at Mitel

  • Founder & Chief Executive Officer - Tanner Applegate
  • Founder & Chief Executive Officer - Cássio Kessler
  • Chief Executive Officer & Founder - Jae Shin
  • Founder & Chief Executive Officer - Abbie Anderson
  • Founder & Chief Executive Officer - Joseph Quitoni
  • Chief Financial Officer - Janine Yetter
  • Chief Financial Officer, Sub Saharan Africa - Elmien Goss
  • Chief Sales Officer (CSO) - David Petts
  • Co-Founder & Chief Technology Officer - Connor Heggie
  • Chief Technology Officer & Head of Large Enterprise Research & Development - Luiz Domingos
  • Tanner Applegate - Founder & Chief Executive Officer

    Tanner Applegate, the Founder & Chief Executive Officer at Mitel, directs the overarching strategic vision for global business communications. Applegate architects long-term growth initiatives by aligning cloud-based collaboration applications with evolving enterprise requirements. This leadership role involves constant engagement with the Board to ensure market dominance across North American and European sectors. By prioritizing scalable infrastructure, Applegate drives the development of next-gen communication platforms that simplify complex business workflows. Tanner Applegate maintains a rigorous focus on operational excellence, ensuring that every product release meets the high standards expected of a global market leader. Through consistent evaluation of emerging tech trends, Applegate secures the competitive positioning of the firm. This executive oversight guarantees that the organization remains at the forefront of the communications industry while delivering consistent value to stakeholders and clients worldwide.

    Cássio Kessler - Founder & Chief Executive Officer

    Cássio Kessler, the Founder & Chief Executive Officer at Mitel, manages the expansion of enterprise communication solutions into emerging international markets. Kessler designs frameworks for cross-functional collaboration, ensuring that research and development teams remain synchronized with customer demand. This leadership role requires deep analysis of global market shifts to maintain the firm's status as a leader in business connectivity. By optimizing internal processes, Cássio Kessler enhances the efficiency of service delivery across diverse geographic regions. Kessler monitors the integration of cloud technologies into existing enterprise ecosystems, fostering innovation that supports seamless user experiences. Through strategic partnerships and targeted market penetration, Kessler strengthens the brand presence in competitive territories. This executive focus on sustainable growth ensures that the company continues to provide robust, reliable communication tools that power modern business connections on a global scale.

    Jae Shin - Chief Executive Officer & Founder

    Jae Shin, the Chief Executive Officer & Founder at Mitel, oversees the strategic deployment of next-gen collaboration applications across the global enterprise landscape. Shin architects the company's mission to simplify communications, ensuring that all product roadmaps align with the needs of modern, distributed workforces. This leadership role involves managing high-level stakeholder relationships and driving the adoption of cloud-native solutions. By fostering a culture of innovation, Jae Shin ensures that the organization remains agile in a rapidly changing technological environment. Shin evaluates the impact of new communication protocols on business efficiency, guiding the firm toward long-term profitability. Through meticulous oversight of corporate initiatives, Shin maintains the company's reputation for reliability and technical excellence. This executive leadership ensures that the firm consistently delivers high-performance tools that enable seamless connectivity for businesses operating in diverse, complex environments.

    Abbie Anderson - Founder & Chief Executive Officer

    Abbie Anderson, the Founder & Chief Executive Officer at Mitel, leads the strategic transformation of business communication services to meet the demands of the digital era. Anderson directs the implementation of cloud-based strategies that enhance collaboration for large-scale enterprise clients. This leadership role involves coordinating with technical teams to ensure that all software solutions remain secure, scalable, and intuitive. By analyzing market data, Abbie Anderson identifies opportunities for service diversification, allowing the firm to capture new segments within the global tech consulting industry. Anderson maintains a focus on operational agility, ensuring that the company responds effectively to shifting customer requirements. Through consistent executive guidance, Anderson drives the development of communication platforms that facilitate seamless interaction across borders. This leadership ensures that the organization remains a trusted partner for businesses seeking to modernize their internal and external connectivity infrastructure.

    Joseph Quitoni - Founder & Chief Executive Officer

    Joseph Quitoni, the Founder & Chief Executive Officer at Mitel, manages the strategic direction of the company's global communication portfolio. Quitoni architects initiatives that integrate next-gen collaboration tools into the core operations of enterprise clients. This leadership role involves overseeing the alignment of product development with the firm's overarching mission to provide seamless connectivity. By monitoring global market trends, Joseph Quitoni ensures that the organization maintains its competitive edge in the business communications sector. Quitoni drives the execution of growth strategies that expand the company's footprint in key international markets. Through rigorous assessment of operational performance, Quitoni optimizes resource allocation to support sustained innovation. This executive focus on technical and strategic excellence ensures that the firm continues to deliver high-value solutions that empower businesses to connect, collaborate, and thrive in an increasingly digital and interconnected global economy.

    Janine Yetter - Chief Financial Officer

    Janine Yetter, the Chief Financial Officer at Mitel, directs the financial strategy and fiscal health of the organization. Yetter manages capital allocation, budgeting, and financial reporting to support the company's mission of providing global communication solutions. This leadership role involves collaborating with the executive team to ensure that investment in cloud and enterprise technology aligns with long-term revenue goals. By overseeing financial risk management, Janine Yetter secures the stability required for continuous innovation. Yetter monitors the economic performance of regional operations, ensuring that the firm maintains profitability while expanding its market reach. Through precise financial planning, Yetter enables the company to invest in next-gen research and development. This executive oversight ensures that the organization possesses the necessary resources to maintain its status as a market leader in business communications while delivering consistent value to shareholders and supporting global growth initiatives.
    Janine Yetter

    Elmien Goss - Chief Financial Officer, Sub Saharan Africa

    Elmien Goss, the Chief Financial Officer, Sub Saharan Africa at Mitel, manages the financial operations and fiscal strategy within the Sub-Saharan African market. Goss directs regional budgeting, financial compliance, and resource management to support the company's expansion in this critical growth area. This leadership role involves ensuring that regional financial practices align with the firm's global standards while addressing local market nuances. By optimizing financial workflows, Elmien Goss supports the delivery of cloud and enterprise communication solutions to a diverse client base. Goss monitors regional economic trends to mitigate financial risks and identify opportunities for investment in local infrastructure. Through strategic financial oversight, Goss enables the company to maintain a strong competitive position in the region. This executive focus on fiscal discipline ensures that the organization continues to provide reliable, high-performance communication tools that drive business connectivity across the African continent.

    David Petts - Chief Sales Officer (CSO)

    David Petts, the Chief Sales Officer (CSO) at Mitel, leads the global sales organization and drives revenue growth through the adoption of cloud and enterprise communication platforms. Petts architects sales strategies that target large-scale enterprise clients, ensuring that the company's solutions meet specific business needs. This leadership role involves managing international sales teams and fostering relationships with key partners to expand the firm's market presence. By analyzing sales performance data, David Petts optimizes the sales funnel to increase conversion rates and market penetration. Petts coordinates with product teams to ensure that sales efforts reflect the latest advancements in collaboration technology. Through strategic market engagement, Petts secures long-term contracts that support the company's mission of seamless connectivity. This executive focus on revenue generation ensures that the firm maintains its position as a global leader in the business communications industry.

    Connor Heggie - Co-Founder & Chief Technology Officer

    Connor Heggie, the Co-Founder & Chief Technology Officer at Mitel, directs the technical vision and product development lifecycle for the company's communication suite. Heggie architects the cloud infrastructure that powers the firm's next-gen collaboration applications, ensuring high availability and security for enterprise users. This leadership role involves overseeing engineering teams and driving the integration of emerging technologies into the existing product portfolio. By focusing on technical scalability, Connor Heggie ensures that the company's solutions remain robust as client demands evolve. Heggie collaborates with other C-suite leaders to align technical innovation with the firm's strategic business goals. Through continuous evaluation of software architecture, Heggie maintains the reliability of the company's communication tools. This executive leadership ensures that the organization remains at the cutting edge of the tech consulting industry, providing seamless and secure connectivity for businesses worldwide.
    Connor Heggie

    Luiz Domingos - Chief Technology Officer & Head of Large Enterprise Research & Development

    Luiz Domingos, the Chief Technology Officer & Head of Large Enterprise Research & Development at Mitel, leads the research and development efforts focused on large-scale enterprise communication solutions. Domingos directs the creation of advanced collaboration applications, ensuring that the company's technology remains at the forefront of the industry. This leadership role involves managing complex R&D projects and fostering innovation that addresses the specific needs of large enterprise clients. By overseeing the development of next-gen communication platforms, Luiz Domingos ensures that the firm provides scalable and secure solutions for global organizations. Domingos collaborates with technical teams to integrate cutting-edge features that enhance user experience and operational efficiency. Through strategic R&D management, Domingos drives the technological evolution of the company's product portfolio. This executive focus on innovation ensures that the firm continues to deliver high-performance tools that power seamless business connections on a global scale.
    Luiz Domingos

    Explore Leadership Teams in Business Services

    Frequently Asked Questions Regarding Mitel Top Executives and Leadership Team

    Who leads Mitel?
    Mitel is led by Tanner Applegate (Founder & Chief Executive Officer), along with executives such as Cássio Kessler (Founder & Chief Executive Officer) and Jae Shin (Chief Executive Officer & Founder).
    Who is part of Mitel’s executive team?
    The executive team of Mitel includes leaders such as Tanner Applegate (Founder & Chief Executive Officer), Cássio Kessler (Founder & Chief Executive Officer), Jae Shin (Chief Executive Officer & Founder) and other senior executives.
    How many executives does Mitel have?
    Mitel has 10 executives leading key business areas.
    What roles are included in Mitel’s leadership team?
    The leadership team of Mitel includes roles such as Founder & Chief Executive Officer, Founder & Chief Executive Officer, Chief Executive Officer & Founder, Founder & Chief Executive Officer, Founder & Chief Executive Officer.