Gigamon Executive and Leadership Team

May, 2026

Leadership Overview

Gigamon has 5 executives leading key functions including strategy, operations, finance, revenue, and program management.

Driven by innovation, Gigamon delivers advanced intelligence for security, network, and application performance management, shaping the future of network visibility.

Leadership Roles at Gigamon

  • Founder & Chief Executive Officer - Blake Anthony
  • Director, Program Management & Office of The President & Chief Executive Officer - Jeff Achtzehn
  • Chief Financial Officer - Tony Jarjoura
  • Chief Operating Officer - Gareth Maclachlan
  • Chief Revenue Officer - John Giacomini
  • Blake Anthony - Founder & Chief Executive Officer

    Blake Anthony, the Founder & Chief Executive Officer at Gigamon, directs the company's overarching strategy and vision. Anthony guides Gigamon's mission to provide essential network visibility and analytics solutions, empowering organizations to manage security, network performance, and application delivery with advanced intelligence. Overseeing all executive functions, Anthony ensures alignment with market demands and technological advancements in the software and network sectors. This leadership role involves setting the strategic direction for product development and market expansion, leveraging Gigamon's core offerings. By fostering a culture of innovation, Blake Anthony drives the company's commitment to delivering cutting-edge intelligence for critical network operations. Anthony's strategic oversight ensures Gigamon maintains its leadership position in providing deep network insights.
    Blake Anthony

    Jeff Achtzehn - Director, Program Management & Office of The President & Chief Executive Officer

    Jeff Achtzehn, the Director, Program Management & Office of The President & Chief Executive Officer at Gigamon, manages critical programs and supports the executive leadership. Achtzehn ensures the efficient execution of strategic initiatives and operational projects that align with Gigamon's business objectives. This role involves coordinating cross-functional teams to deliver complex projects on time and within scope, directly supporting the President and Chief Executive Officer's agenda. By overseeing program management, Achtzehn enhances operational efficiency and facilitates the seamless implementation of new technologies and business strategies. The focus remains on driving successful outcomes for Gigamon's network visibility and analytics solutions. Jeff Achtzehn's efforts are crucial for translating strategic plans into tangible results, reinforcing Gigamon's market presence.
    Jeff Achtzehn

    Tony Jarjoura - Chief Financial Officer

    Tony Jarjoura, the Chief Financial Officer at Gigamon, directs all financial operations and strategic financial planning. Jarjoura manages the company's fiscal health, including budgeting, forecasting, and financial reporting, ensuring robust financial discipline across the organization. This leadership position involves optimizing capital allocation and driving financial strategies that support Gigamon's growth in network visibility and analytics. Jarjoura oversees investor relations and works closely with other executives to align financial objectives with business goals. By implementing sound financial controls, Tony Jarjoura safeguards the company's assets and enhances shareholder value. The financial acumen provided by Jarjoura is essential for Gigamon's sustained expansion and market leadership in providing advanced network intelligence.
    Tony Jarjoura

    Gareth Maclachlan - Chief Operating Officer

    Gareth Maclachlan, the Chief Operating Officer at Gigamon, oversees the company's day-to-day operations and drives operational excellence. Maclachlan manages global operations, ensuring the efficient delivery of Gigamon's network visibility and analytics products and services. This role involves optimizing internal processes, supply chain management, and customer support functions to enhance overall business performance. Maclachlan collaborates with other C-suite leaders to implement strategies that improve efficiency and scalability across the organization. By focusing on operational effectiveness, Gareth Maclachlan supports Gigamon's mission to provide advanced intelligence for security and network performance management. Maclachlan's leadership ensures Gigamon's operational infrastructure effectively supports its market objectives and customer commitments.
    Gareth Maclachlan

    John Giacomini - Chief Revenue Officer

    John Giacomini, the Chief Revenue Officer at Gigamon, leads all revenue-generating activities and sales strategies. Giacomini directs the global sales organization, focusing on expanding market share and driving revenue growth for Gigamon's advanced network visibility and analytics solutions. This executive role involves developing and executing go-to-market strategies, managing channel partnerships, and fostering strong customer relationships worldwide. Giacomini works to ensure sales teams are equipped to deliver maximum value to clients seeking enhanced security and performance management. By optimizing the revenue funnel, John Giacomini directly contributes to Gigamon's financial success and market penetration. Giacomini's leadership is pivotal in achieving Gigamon's revenue targets and solidifying its position as a leader in network intelligence.
    John Giacomini

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    Frequently Asked Questions Regarding Gigamon Top Executives and Leadership Team

    Who leads Gigamon?
    Gigamon is led by Blake Anthony (Founder & Chief Executive Officer), along with executives such as Jeff Achtzehn (Director, Program Management & Office of The President & Chief Executive Officer) and Tony Jarjoura (Chief Financial Officer).
    Who is part of Gigamon’s executive team?
    The executive team of Gigamon includes leaders such as Blake Anthony (Founder & Chief Executive Officer), Jeff Achtzehn (Director, Program Management & Office of The President & Chief Executive Officer), Tony Jarjoura (Chief Financial Officer) and other senior executives.
    How many executives does Gigamon have?
    Gigamon has 5 executives leading key business areas.
    What roles are included in Gigamon’s leadership team?
    The leadership team of Gigamon includes roles such as Founder & Chief Executive Officer, Director, Program Management & Office of The President & Chief Executive Officer, Chief Financial Officer, Chief Operating Officer, Chief Revenue Officer.