Mercury Systems Executive and Leadership Team

September, 2026

Leadership Overview

Mercury Systems has 5 executives leading key functions including technology innovation, financial oversight, human capital management, and legal compliance.

Focused on advancing tactical edge processing, Mercury Systems delivers secure, high-performance technology solutions to aerospace and defense sectors while maintaining a commitment to mission-critical reliability and commercial technology integration.

Leadership Roles at Mercury Systems

  • Senior Director, BU Chief Financial Officer (Signal Technologies) - Mike Caffelle
  • Executive Vice President & Chief Financial Officer - David Farnsworth
  • Chief Technology Officer - William Conley
  • Executive Vice President & Chief Human Resources Officer - Steve Ratner
  • Executive Vice President & Chief Legal Officer - Stuart Kupinsky
  • Mike Caffelle - Senior Director, BU Chief Financial Officer (Signal Technologies)

    Mike Caffelle, the Senior Director, BU Chief Financial Officer (Signal Technologies) at Mercury Systems, manages the fiscal health of the Signal Technologies business unit. This role involves precise budget allocation and financial forecasting for specialized signal processing hardware. Mike Caffelle monitors operational costs to ensure profitability across complex manufacturing cycles. By analyzing market trends in defense electronics, the Senior Director, BU Chief Financial Officer (Signal Technologies) provides actionable insights to the broader executive team. This position requires rigorous oversight of project-based accounting to support the delivery of high-performance components. Through disciplined financial planning, Caffelle enables the business unit to scale production capabilities effectively. The Senior Director, BU Chief Financial Officer (Signal Technologies) maintains strict compliance with internal controls while driving efficiency in resource utilization. Ultimately, Caffelle supports the overarching mission by ensuring that financial resources align with the technical requirements of critical aerospace programs.

    David Farnsworth - Executive Vice President & Chief Financial Officer

    David Farnsworth, the Executive Vice President & Chief Financial Officer at Mercury Systems, manages the global financial strategy and capital structure. By overseeing financial reporting, investor relations, and corporate planning, Farnsworth ensures the organization maintains a strong balance sheet to support ongoing R&D investments. The Executive Vice President & Chief Financial Officer directs the allocation of capital toward high-growth areas within the aerospace and defense markets. This leadership role involves close coordination with the Board to communicate financial performance and strategic objectives. David Farnsworth drives fiscal discipline across all business units, ensuring that operational costs remain aligned with revenue targets. By optimizing tax strategies and managing liquidity, the Executive Vice President & Chief Financial Officer provides the stability required for long-term innovation. Farnsworth maintains a focus on delivering shareholder value through sustainable growth and efficient resource management. Through rigorous financial oversight, the Executive Vice President & Chief Financial Officer supports the company's mission to deliver secure, tactical technology.
    David Farnsworth

    William Conley - Chief Technology Officer

    William Conley, the Chief Technology Officer at Mercury Systems, directs the research and development roadmap for advanced processing solutions. By pushing commercial technology to the tactical edge, Conley ensures that aerospace and defense platforms maintain superior performance in challenging environments. The Chief Technology Officer oversees engineering teams focused on signal processing and secure computing architectures. This leadership role involves constant collaboration with the Board to align technical investments with long-term market demands. William Conley drives innovation across North American operations, ensuring that hardware and software components meet rigorous security standards. Through the implementation of scalable processing frameworks, the Chief Technology Officer optimizes system efficiency for modern defense missions. By bridging the gap between commercial innovation and tactical requirements, Conley secures a competitive advantage for the organization in a rapidly evolving global landscape.
    William Conley

    Steve Ratner - Executive Vice President & Chief Human Resources Officer

    Steve Ratner, the Executive Vice President & Chief Human Resources Officer at Mercury Systems, architects the talent acquisition and organizational development strategies. By fostering a culture of innovation and security, Ratner ensures that the workforce possesses the specialized skills required for advanced aerospace engineering. The Executive Vice President & Chief Human Resources Officer oversees global recruitment, performance management, and employee engagement initiatives. This leadership role involves aligning human capital strategies with the company's mission to provide secure, tactical edge processing. Steve Ratner drives initiatives that promote professional growth and retention across all technical departments. By implementing robust training programs, the Executive Vice President & Chief Human Resources Officer prepares the organization for future market challenges. Ratner maintains a focus on building high-performing teams that support the company's commitment to safety and security. Through strategic workforce planning, the Executive Vice President & Chief Human Resources Officer sustains the operational excellence necessary for long-term success.
    Steve Ratner
    Stuart Kupinsky, the Executive Vice President & Chief Legal Officer at Mercury Systems, directs all legal, regulatory, and compliance functions. By managing intellectual property portfolios and government contracting requirements, Kupinsky ensures that the company operates within the complex legal frameworks of the defense industry. The Executive Vice President & Chief Legal Officer oversees risk management and corporate governance to protect the organization's interests. This leadership role involves advising the Board on legal implications of strategic partnerships and international market expansion. Stuart Kupinsky drives compliance initiatives that uphold the highest standards of integrity in all business dealings. By mitigating legal risks associated with advanced technology development, the Executive Vice President & Chief Legal Officer enables the company to pursue ambitious aerospace missions. Kupinsky maintains a focus on safeguarding the company's proprietary innovations. Through proactive legal strategy, the Executive Vice President & Chief Legal Officer supports the company's commitment to providing secure, reliable solutions for the most challenging defense environments.
    Stuart Kupinsky

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    Frequently Asked Questions Regarding Mercury Systems Top Executives and Leadership Team

    Who leads Mercury Systems?
    Mercury Systems is led by Mike Caffelle (Senior Director, BU Chief Financial Officer (Signal Technologies)), along with executives such as David Farnsworth (Executive Vice President & Chief Financial Officer) and William Conley (Chief Technology Officer).
    Who is part of Mercury Systems’s executive team?
    The executive team of Mercury Systems includes leaders such as Mike Caffelle (Senior Director, BU Chief Financial Officer (Signal Technologies)), David Farnsworth (Executive Vice President & Chief Financial Officer), William Conley (Chief Technology Officer) and other senior executives.
    How many executives does Mercury Systems have?
    Mercury Systems has 5 executives leading key business areas.
    What roles are included in Mercury Systems’s leadership team?
    The leadership team of Mercury Systems includes roles such as Senior Director, BU Chief Financial Officer (Signal Technologies), Executive Vice President & Chief Financial Officer, Chief Technology Officer, Executive Vice President & Chief Human Resources Officer, Executive Vice President & Chief Legal Officer.