Milestone Executive and Leadership Team

July, 2026

Leadership Overview

Milestone has 7 executives leading key functions including strategy, marketing, finance, operations, staff, people, 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. Tonus guides the company's expansion and market positioning, ensuring alignment with the core mission of scaling technology for business outcomes. This leadership involves fostering innovation and driving the digital transformation initiatives that define Milestone's service offerings. The Chief Executive Officer's purview extends to global operations, ensuring that the firm's infrastructure and services consistently deliver measurable results for clients. Miles Tonus champions a culture of agility and client-centricity, directly impacting the company's ability to meet evolving market demands and achieve sustained growth. The strategic direction set by Tonus is fundamental to Milestone's success in the IT managed services sector.

    David Laidler - Chief Financial Officer

    David Laidler, the Chief Financial Officer at Milestone, manages the company's financial health and strategic fiscal planning. Laidler oversees all financial operations, including budgeting, forecasting, and investment strategies, ensuring robust fiscal management that supports Milestone's growth and operational scaling. This position is crucial for maintaining the financial stability required to drive innovation and digital transformation for clients. The Chief Financial Officer's responsibilities include optimizing resource allocation and managing financial risks across global operations. David Laidler provides critical financial insights that inform executive decisions, directly contributing to the company's ability to deliver measurable business outcomes. Laidler's expertise ensures that financial strategies align with the long-term objectives of the IT managed services firm.
    David Laidler

    Michael Riep - Chief Operating Officer

    Michael Riep, the Chief Operating Officer at Milestone, directs the execution of the company's operational strategies and service delivery. Riep ensures that Milestone's infrastructure and managed services are scaled efficiently to meet client demands for digital transformation and operational agility. This role encompasses overseeing day-to-day operations, optimizing internal processes, and ensuring the seamless delivery of technology solutions across global markets. The Chief Operating Officer's focus is on enhancing service quality and driving operational excellence. Michael Riep plays a vital part in translating the company's strategic vision into tangible business outcomes for clients. Riep's leadership ensures that Milestone consistently provides reliable and effective IT managed services, supporting client innovation and business growth.
    Michael Riep

    Joshua Eagan - Chief Marketing Officer

    Joshua Eagan, the Chief Marketing Officer at Milestone, architects the global marketing strategy and brand positioning. Eagan drives initiatives that highlight Milestone's capacity to deliver digital transformation, innovation, and operational agility for clients. This role involves overseeing all aspects of market engagement, from demand generation to corporate communications, ensuring the company's value proposition resonates across diverse industries. The Chief Marketing Officer's efforts are critical in communicating how Milestone scales technology and infrastructure to achieve specific business outcomes. Joshua Eagan leads the teams responsible for market analysis and campaign execution, directly supporting the company's growth objectives and reinforcing its status as a leading IT managed services firm. Eagan's leadership ensures a consistent and compelling brand narrative.

    Victoria Arvizo - Chief of Staff

    Victoria Arvizo, the Chief of Staff at Milestone, facilitates strategic initiatives and operational alignment across executive functions. Arvizo supports the Chief Executive Officer in driving key projects and ensuring that the company's mission of scaling technology for business outcomes is effectively implemented. This role involves coordinating cross-departmental efforts, managing special projects, and enhancing communication channels to foster operational agility and innovation. The Chief of Staff's responsibilities are integral to the smooth functioning of the executive team and the efficient execution of Milestone's strategic priorities. Victoria Arvizo ensures that leadership directives are translated into actionable plans, directly contributing to the company's ability to achieve specific business results for clients. Arvizo's role is central to maintaining executive focus and driving progress.

    Arlene LaBorde - Chief People Officer

    Arlene LaBorde, the Chief People Officer at Milestone, leads the human capital strategy and organizational development. LaBorde focuses on cultivating a high-performance culture that supports Milestone's commitment to digital transformation and operational agility. This position is essential for attracting, retaining, and developing the talent required to scale technology and infrastructure effectively for clients. The Chief People Officer oversees all aspects of employee experience, talent management, and organizational design. Arlene LaBorde ensures that the workforce is equipped with the skills and motivation to drive innovation and achieve specific business outcomes. LaBorde's strategic approach to people management is fundamental to Milestone's success as a global IT managed services firm.
    Arlene LaBorde

    Mazen Sharif - Team Captain

    Mazen Sharif, the Team Captain at Milestone, leads a specific functional unit, ensuring its contribution to the company's overall objectives. Sharif focuses on the operational execution within the designated team, aligning its efforts with Milestone's mission to scale technology and drive business outcomes. This role involves guiding team members, managing project workflows, and fostering a collaborative environment that promotes innovation and agility. The Team Captain's responsibilities are critical for the effective delivery of services and the achievement of specific client goals. Mazen Sharif ensures that the team operates at peak performance, directly supporting the company's commitment to excellence in IT managed services. Sharif's leadership is key to the team's success and its impact on client satisfaction.

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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.