Milestone Executive and Leadership Team

July, 2026

Leadership Overview

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

Driven by a commitment to client success, Milestone is dedicated to scaling technology, infrastructure, and services to achieve specific business outcomes like digital transformation and operational agility.

Leadership Roles at Milestone

  • Chief Executive Officer - Miles Tonus
  • Chief Financial Officer - David Laidler
  • Chief Operating Officer - Michael Riep
  • Chief Marketing Officer - Joshua Eagan
  • Chief of Staff - Victoria Arvizo
  • 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 vision. This leadership role involves guiding the company's expansion and ensuring alignment with market demands for digital transformation and operational agility. Tonus oversees the executive team, fostering a culture of innovation and client-centric service delivery. The Chief Executive Officer's responsibilities include setting financial targets, driving revenue growth, and maintaining Milestone's position as a global IT managed services leader. By focusing on scalable technology solutions, Miles Tonus ensures the firm consistently delivers measurable business outcomes for its diverse client base across North America and EMEA. This executive's strategic direction shapes Milestone's service portfolio and its approach to complex IT challenges.

    David Laidler - Chief Financial Officer

    David Laidler, the Chief Financial Officer at Milestone, directs all financial operations and fiscal strategy for the organization. This executive is responsible for financial planning, budgeting, forecasting, and managing capital investments to support Milestone's growth and service delivery. The Chief Financial Officer oversees accounting, treasury, and investor relations, ensuring financial health and compliance across global operations. Laidler's leadership ensures that Milestone's financial structure effectively supports its mission of scaling technology and driving business outcomes for clients. By meticulously managing financial resources, David Laidler enables the company to invest in innovation and maintain operational agility. This executive's financial acumen is vital for sustaining Milestone's position as a leading IT managed services provider.
    David Laidler

    Michael Riep - Chief Operating Officer

    Michael Riep, the Chief Operating Officer at Milestone, oversees the day-to-day operational execution and service delivery across all business units. This role focuses on optimizing efficiency, ensuring service quality, and scaling infrastructure to meet client demands for digital transformation and innovation. The Chief Operating Officer manages global operations, including service desk management, field operations, and project delivery, ensuring seamless technology scaling. Riep's leadership drives operational agility by implementing best practices and leveraging technology to enhance service delivery. By focusing on process improvement and resource optimization, Michael Riep ensures Milestone consistently achieves its business outcomes for clients worldwide. This executive's operational expertise is fundamental to Milestone's ability to deliver reliable IT managed services.
    Michael Riep

    Joshua Eagan - Chief Marketing Officer

    Joshua Eagan, the Chief Marketing Officer at Milestone, architects and executes the global marketing strategy. This role focuses on enhancing brand visibility, driving lead generation, and communicating Milestone's value proposition in digital transformation and IT managed services. The Chief Marketing Officer oversees all marketing functions, including digital campaigns, content creation, public relations, and market research, ensuring consistent messaging across all channels. Eagan's leadership supports the company's growth objectives by highlighting Milestone's ability to deliver operational agility and innovation for clients. By analyzing market trends and competitive landscapes, Joshua Eagan identifies new opportunities for service expansion and client acquisition, directly contributing to Milestone's market impact. This executive ensures Milestone's brand resonates with organizations seeking to scale their technology infrastructure.

    Victoria Arvizo - Chief of Staff

    Victoria Arvizo, the Chief of Staff at Milestone, provides strategic support and operational oversight to the executive leadership team. This position involves managing key initiatives, facilitating cross-departmental collaboration, and ensuring the efficient execution of corporate objectives. The Chief of Staff acts as a key liaison, streamlining communication between different business units and driving projects that enhance digital transformation and operational agility. Arvizo's role is critical in translating the CEO's vision into actionable plans and monitoring progress against strategic goals. By optimizing internal processes and resource allocation, Victoria Arvizo contributes to Milestone's overall efficiency and its capacity to deliver scalable technology solutions. This executive ensures that strategic priorities are effectively implemented across the organization.

    Arlene LaBorde - Chief People Officer

    Arlene LaBorde, the Chief People Officer at Milestone, leads all human capital strategies and organizational development initiatives. This executive is responsible for talent acquisition, employee engagement, compensation and benefits, and fostering a culture that supports innovation and operational agility. The Chief People Officer ensures that Milestone attracts, develops, and retains top talent necessary to drive digital transformation and deliver exceptional IT managed services. LaBorde's focus on people empowers the workforce to effectively scale technology and infrastructure for clients. By cultivating a positive and high-performing work environment, Arlene LaBorde directly contributes to Milestone's ability to achieve its strategic business outcomes. This executive's dedication to employee success underpins the company's service excellence.
    Arlene LaBorde

    Mazen Sharif - Team Captain

    Mazen Sharif, the Team Captain at Milestone, leads a specific functional unit, ensuring its operational effectiveness and contribution to broader company objectives. This role involves guiding team members, managing project execution, and fostering a collaborative environment focused on delivering technology solutions. The Team Captain's responsibilities include overseeing daily tasks, resolving immediate challenges, and ensuring adherence to project timelines and quality standards. Sharif's leadership supports Milestone's mission by ensuring the efficient deployment of IT services and infrastructure. By focusing on team performance and task management, Mazen Sharif contributes to the overall operational agility and client satisfaction. This executive's direct oversight of team activities is crucial for achieving specific business outcomes.

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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 Marketing Officer, Chief of Staff.