Mitel Executive and Leadership Team

November, 2026

Leadership Overview

Mitel has 6 executives leading key functions including strategy, financial oversight, global sales, regional fiscal management, and technology research.

Focused on seamless business connectivity, Mitel delivers advanced cloud and enterprise communication solutions to organizations worldwide. This leadership team drives the mission of simplifying complex collaboration through next-gen applications and robust infrastructure.

Leadership Roles at Mitel

  • Founder & Chief Executive Officer - Tanner Applegate
  • 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
  • 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 corporate strategy and long-term vision for global business communications. Applegate architects the expansion of cloud-based collaboration tools, ensuring the company maintains a competitive edge in the enterprise market. By aligning internal resources with evolving industry demands, the Founder & Chief Executive Officer fosters innovation across all product lines. This leadership role involves constant engagement with the Board to refine market positioning and drive sustainable growth. Tanner Applegate monitors the competitive landscape to identify emerging opportunities for next-gen communication applications. Through rigorous oversight of organizational performance, the Founder & Chief Executive Officer secures the company's status as a market leader. Applegate maintains a focus on operational excellence, ensuring that every strategic initiative supports the broader goal of seamless business connectivity across international markets.

    Joseph Quitoni - Founder & Chief Executive Officer

    Joseph Quitoni, the Founder & Chief Executive Officer at Mitel, manages the execution of high-level business development and strategic partnerships. Quitoni drives the integration of next-gen collaboration applications into the existing enterprise portfolio, enhancing the value proposition for global clients. The Founder & Chief Executive Officer oversees the alignment of corporate culture with the mission of simplifying communications for businesses worldwide. By fostering relationships with key stakeholders, Quitoni ensures the company remains at the forefront of technological advancements. This leadership role requires constant evaluation of market trends to pivot strategies effectively. Joseph Quitoni directs the implementation of scalable business models that support long-term profitability and market penetration. Through the guidance of the Founder & Chief Executive Officer, the organization maintains a clear trajectory toward achieving its objectives in the competitive landscape of business communications and cloud-based service delivery.

    Janine Yetter - Chief Financial Officer

    Janine Yetter, the Chief Financial Officer at Mitel, directs all global fiscal operations, including financial planning, reporting, and capital allocation. Yetter architects the financial framework that supports the development of cloud and enterprise communication solutions. By overseeing the company's budgetary health, the Chief Financial Officer ensures resources remain available for critical research and development initiatives. This leadership role involves managing investor relations and maintaining transparency in all financial disclosures. Janine Yetter monitors economic indicators to mitigate risks associated with international market expansion. Through the optimization of cost structures, the Chief Financial Officer drives operational efficiency across the entire organization. Yetter collaborates with other C-suite leaders to align financial goals with the company's long-term growth strategy. By maintaining rigorous fiscal discipline, the Chief Financial Officer secures the financial stability necessary for the company to continue delivering innovative communication tools to businesses worldwide.
    Janine Yetter

    Elmien Goss - Chief Financial Officer, Sub Saharan Africa

    Elmien Goss, the Chief Financial Officer, Sub Saharan Africa at Mitel, directs all financial operations and fiscal compliance within the regional market. Goss architects the financial strategies that support the deployment of communication solutions across the Sub Saharan African territory. By overseeing local budgetary management and tax compliance, the Chief Financial Officer, Sub Saharan Africa ensures the regional business remains profitable and sustainable. This leadership role involves managing local currency risks and optimizing financial workflows to support regional growth. Elmien Goss monitors the economic landscape to provide actionable insights for the broader executive team. Through the rigorous management of regional assets, the Chief Financial Officer, Sub Saharan Africa drives operational efficiency and supports the company's global mission. Goss collaborates with regional sales and operations leaders to align financial performance with local market demands. By maintaining strict fiscal oversight, the Chief Financial Officer, Sub Saharan Africa secures the company's competitive position in this emerging market.

    David Petts - Chief Sales Officer (CSO)

    David Petts, the Chief Sales Officer (CSO) at Mitel, directs the global sales strategy and revenue generation efforts across all enterprise channels. Petts architects the go-to-market approach for cloud and collaboration applications, ensuring alignment with the needs of diverse business clients. By overseeing the performance of regional sales teams, the Chief Sales Officer (CSO) drives market share growth and customer acquisition. This leadership role involves building strong relationships with channel partners to expand the reach of communication solutions. David Petts monitors sales metrics to identify areas for improvement and capitalize on emerging opportunities. Through the implementation of data-driven sales processes, the Chief Sales Officer (CSO) enhances the efficiency of the entire revenue cycle. Petts collaborates with the product development teams to ensure that sales strategies reflect the latest technological advancements. By leading the global sales force, the Chief Sales Officer (CSO) ensures the company meets its ambitious revenue targets.

    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, directs the innovation pipeline and technical roadmap for all enterprise communication products. Domingos architects the development of next-gen collaboration applications, ensuring the company remains at the cutting edge of cloud technology. By overseeing the research and development teams, the Chief Technology Officer & Head of Large Enterprise Research & Development drives the creation of scalable and secure communication infrastructure. This leadership role involves evaluating emerging technologies to integrate into the existing product portfolio. Luiz Domingos monitors technical performance metrics to ensure high reliability for global enterprise clients. Through the management of complex engineering projects, the Chief Technology Officer & Head of Large Enterprise Research & Development fosters a culture of continuous improvement. Domingos collaborates with other executives to align technical capabilities with market needs. By leading the R&D efforts, the Chief Technology Officer & Head of Large Enterprise Research & Development ensures the company delivers superior communication solutions.
    Luiz Domingos

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    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 Joseph Quitoni (Founder & Chief Executive Officer) and Janine Yetter (Chief Financial Officer).
    Who is part of Mitel’s executive team?
    The executive team of Mitel includes leaders such as Tanner Applegate (Founder & Chief Executive Officer), Joseph Quitoni (Founder & Chief Executive Officer), Janine Yetter (Chief Financial Officer) and other senior executives.
    How many executives does Mitel have?
    Mitel has 6 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 Financial Officer, Chief Financial Officer, Sub Saharan Africa, Chief Sales Officer (CSO).