Milestone Executive and Leadership Team

August, 2026

Leadership Overview

Milestone has 7 executives leading key functions including strategy, operations, finance, marketing, human resources, and team leadership.

Focused on global IT managed services, Milestone empowers organizations to scale technology infrastructure while driving digital transformation and operational agility across diverse international markets.

Leadership Roles at Milestone

  • Chief Executive Officer - Miles Tonus
  • Chief Financial Officer - David Laidler
  • Chief Operating Officer - Michael Riep
  • Chief of Staff - Victoria Arvizo
  • Chief Marketing Officer - Joshua Eagan
  • Chief People Officer - Arlene LaBorde
  • Team Captain - Mazen Sharif
  • Miles Tonus - Chief Executive Officer

    Miles Tonus, the Chief Executive Officer at Milestone, directs the overarching corporate strategy and long-term vision for the global IT managed services firm. By aligning technology infrastructure initiatives with client business outcomes, the Chief Executive Officer ensures Milestone maintains a competitive edge in the digital transformation landscape. Miles Tonus architects high-level partnerships that facilitate innovation and operational agility for enterprise clients across North American and EMEA markets. This leadership role involves constant collaboration with the Board to refine service delivery models and expand market reach. Through rigorous oversight of organizational performance, the Chief Executive Officer drives sustainable growth and maintains the firm's reputation for excellence. By prioritizing scalable solutions, the executive secures the company's position as a leader in the IT consulting sector, ultimately fostering a culture of continuous improvement and technological advancement for all stakeholders involved in the global service ecosystem.

    David Laidler - Chief Financial Officer

    David Laidler, the Chief Financial Officer at Milestone, oversees all fiscal planning, capital allocation, and financial reporting for the global IT managed services organization. By managing the company's economic health, the Chief Financial Officer supports the firm's ability to invest in innovative technology infrastructure and service expansion. David Laidler directs financial strategies that enable the business to scale effectively while maintaining profitability during periods of rapid digital transformation. This leadership role involves close coordination with the executive team to ensure fiscal discipline aligns with long-term growth objectives. Through the analysis of market trends and operational costs, the Chief Financial Officer provides the insights necessary for informed decision-making. By securing the financial foundation of the firm, the executive enables the delivery of high-value services to clients worldwide. This oversight ensures the company remains agile and capable of meeting the evolving demands of the global technology consulting industry.
    David Laidler

    Michael Riep - Chief Operating Officer

    Michael Riep, the Chief Operating Officer at Milestone, directs the daily execution of IT managed services and infrastructure projects across the global enterprise. By optimizing service delivery models, the Chief Operating Officer ensures the firm meets client requirements for digital transformation and operational agility. Michael Riep manages the technical teams responsible for implementing scalable solutions that drive specific business outcomes for clients. This leadership role involves refining internal processes to increase efficiency and service quality on a global scale. Through the oversight of operational performance, the executive maintains high standards of excellence in technology consulting. By coordinating with other C-suite leaders, the Chief Operating Officer aligns technical capabilities with the company's broader strategic goals. This focus on operational precision allows the firm to maintain its competitive advantage while supporting the complex infrastructure needs of diverse organizations operating in international markets.
    Michael Riep

    Victoria Arvizo - Chief of Staff

    Victoria Arvizo, the Chief of Staff at Milestone, manages internal communications and coordinates cross-functional initiatives to streamline executive decision-making processes. By facilitating alignment between the C-suite and departmental leads, the Chief of Staff ensures the firm executes its strategic goals regarding IT managed services and infrastructure scaling. Victoria Arvizo optimizes operational workflows, allowing the leadership team to focus on driving digital transformation for global clients. This role involves monitoring key performance indicators and adjusting internal resource allocation to support the company's mission of operational agility. Through the implementation of efficient management systems, the Chief of Staff enhances organizational productivity and clarity. By bridging gaps between various business units, the executive fosters a cohesive environment that supports the firm's expansion into new markets. This position remains vital for maintaining the high standards of service delivery that define the company's market presence.

    Joshua Eagan - Chief Marketing Officer

    Joshua Eagan, the Chief Marketing Officer at Milestone, architects the brand strategy and market positioning for the global IT managed services firm. By developing campaigns that highlight the company's expertise in digital transformation and infrastructure scaling, the Chief Marketing Officer drives lead generation and client acquisition. Joshua Eagan manages the firm's public image and ensures consistent messaging across all global channels. This leadership role involves analyzing market data to identify new opportunities for growth and service expansion. Through the creation of compelling value propositions, the executive communicates the firm's ability to deliver tangible business outcomes to potential partners. By collaborating with the sales and operations teams, the Chief Marketing Officer aligns marketing efforts with the company's overall revenue targets. This strategic approach ensures the firm remains top-of-mind for organizations seeking to modernize their technology and improve operational agility in a competitive global landscape.

    Arlene LaBorde - Chief People Officer

    Arlene LaBorde, the Chief People Officer at Milestone, directs the human capital strategy, talent acquisition, and organizational development for the global IT managed services firm. By fostering a culture of innovation and agility, the Chief People Officer ensures the company attracts and retains the top-tier talent necessary to drive digital transformation for clients. Arlene LaBorde oversees employee engagement programs and professional development initiatives that align with the firm's mission of technological excellence. This leadership role involves building a diverse and high-performing workforce capable of supporting complex infrastructure projects. Through the implementation of robust HR policies, the executive maintains a productive and inclusive work environment. By partnering with the executive team, the Chief People Officer ensures that organizational structure supports the company's long-term growth and operational goals. This focus on human capital remains essential for maintaining the firm's status as a premier provider of IT consulting services.
    Arlene LaBorde

    Mazen Sharif - Team Captain

    Mazen Sharif, the Team Captain at Milestone, leads specialized technical squads focused on the direct implementation of IT managed services and infrastructure solutions. By coordinating daily tasks and project milestones, the Team Captain ensures the firm delivers high-quality results that drive digital transformation for clients. Mazen Sharif manages the technical execution of service agreements, ensuring that every project meets the company's standards for operational agility. This leadership role involves mentoring team members and fostering a collaborative environment that encourages technical innovation. Through the oversight of project workflows, the executive ensures that client needs are met with precision and speed. By aligning team efforts with the broader corporate strategy, the Team Captain contributes to the firm's overall success in the technology consulting sector. This hands-on approach to team management ensures the company remains responsive to the evolving infrastructure requirements of its global client base.

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    Frequently Asked Questions Regarding Milestone Top Executives and Leadership Team

    Who leads Milestone?
    Milestone is led by Miles Tonus (Chief Executive Officer), along with executives such as David Laidler (Chief Financial Officer) and Michael Riep (Chief Operating Officer).
    Who is part of Milestone’s executive team?
    The executive team of Milestone includes leaders such as Miles Tonus (Chief Executive Officer), David Laidler (Chief Financial Officer), Michael Riep (Chief Operating Officer) and other senior executives.
    How many executives does Milestone have?
    Milestone has 7 executives leading key business areas.
    What roles are included in Milestone’s leadership team?
    The leadership team of Milestone includes roles such as Chief Executive Officer, Chief Financial Officer, Chief Operating Officer, Chief of Staff, Chief Marketing Officer.