System One Executive and Leadership Team

July, 2026

Leadership Overview

System One has 7 executives leading key functions including strategy, finance, information technology, human resources, operations, and digital transformation.

Driven by a commitment to bridging strategy and execution, System One empowers organizations across technical and mission-critical sectors by delivering specialized outsourced services and workforce solutions, enabling clients to achieve critical objectives.

Leadership Roles at System One

  • Chief Executive Officer - Paulo Zanoelo
  • Chairman & Chief Executive Officer - Troy Gregory
  • Chief Financial Officer - Scott Barnett
  • President & Chief Operating Officer - Gregory Lignelli
  • President, Digital & Creative - Rachel Peters
  • Chief Information Officer - Lisa Biondi
  • Chief Human Resources Officer - Susan Tencza
  • Paulo Zanoelo - Chief Executive Officer

    Paulo Zanoelo, the Chief Executive Officer at System One, directs the overarching strategy and operational framework for the diversified professional services organization. Zanoelo guides the company's mission to deliver specialized outsourced services and workforce solutions to organizations operating in highly technical and mission-critical industries. Overseeing the integration of consulting, staffing, and project execution capabilities, Zanoelo ensures a unified service model that translates high-level objectives into actionable outcomes. This leadership involves fostering partnerships with large public and private sector organizations to ensure critical projects are delivered efficiently and effectively. By leveraging deep domain expertise and operational agility, Paulo Zanoelo drives the company's pivotal role in helping clients navigate complex environments where precision, compliance, and technical proficiency are paramount. The Chief Executive Officer's focus remains on enhancing the company's ability to support complex operational initiatives through mobilizing highly skilled talent and scalable resources.
    Paulo Zanoelo

    Troy Gregory - Chairman & Chief Executive Officer

    Troy Gregory, the Chairman & Chief Executive Officer at System One, provides executive leadership and strategic direction for the professional services organization. Gregory oversees the company's commitment to delivering specialized outsourced services and workforce solutions across technical and mission-critical sectors. The Chairman & Chief Executive Officer's responsibilities include guiding the integration of consulting, staffing, and project execution capabilities into a cohesive service model. This role involves fostering strategic partnerships with clients to ensure the successful mobilization of skilled talent and technical expertise. Troy Gregory drives the organization's philosophy of bridging the gap between strategy and execution, enabling clients to achieve their strategic and operational objectives. The Chairman & Chief Executive Officer ensures that System One's operations consistently support complex initiatives, maintaining a focus on precision, compliance, and technical proficiency essential for clients operating in high-stakes industries.

    Scott Barnett - Chief Financial Officer

    Scott Barnett, the Chief Financial Officer at System One, manages the company's financial operations and fiscal strategy. Barnett oversees all aspects of financial planning, budgeting, and reporting, ensuring the fiscal health and sustainability of the organization. This role involves managing capital allocation, optimizing financial performance, and driving revenue growth through strategic financial initiatives. The Chief Financial Officer plays a critical part in supporting the company's mission to provide specialized outsourced services and workforce solutions to technical and mission-critical industries. Scott Barnett's financial oversight enables System One to effectively mobilize skilled talent and resources, facilitating the achievement of client objectives. By ensuring robust financial controls and strategic investment, the Chief Financial Officer supports the integration of consulting, staffing, and project execution capabilities, reinforcing the company's ability to translate high-level goals into tangible outcomes.

    Gregory Lignelli - President & Chief Operating Officer

    Gregory Lignelli, the President & Chief Operating Officer at System One, directs the operational execution and service delivery across the organization. Lignelli oversees the day-to-day management of operations, ensuring the efficient and effective deployment of specialized outsourced services and workforce solutions. This leadership role is critical in supporting clients operating in highly technical and mission-critical industries by mobilizing skilled talent and technical expertise. The President & Chief Operating Officer drives the integration of consulting, staffing, and project execution capabilities into a unified service model, directly bridging the gap between strategy and execution. Gregory Lignelli's focus is on optimizing operational processes to enable clients to achieve their strategic and operational objectives with precision and compliance. By ensuring operational agility and deep domain expertise, the President & Chief Operating Officer reinforces System One's pivotal role in navigating complex environments.
    Gregory Lignelli

    Rachel Peters - President, Digital & Creative

    Rachel Peters, the President, Digital & Creative at System One, leads the company's initiatives in digital transformation and creative solutions. Peters oversees the development and implementation of strategies that leverage digital technologies to enhance client services and operational efficiency. This role is crucial for expanding System One's offerings in specialized outsourced services and workforce solutions, particularly for clients requiring innovative digital approaches. The President, Digital & Creative focuses on integrating cutting-edge digital capabilities with the company's core expertise in technical and mission-critical sectors. Rachel Peters drives the adoption of advanced digital tools and creative methodologies to support the mobilization of skilled talent and technical expertise. By championing digital innovation, the President, Digital & Creative ensures that System One effectively translates client objectives into modern, actionable outcomes, enhancing the company's competitive positioning.

    Lisa Biondi - Chief Information Officer

    Lisa Biondi, the Chief Information Officer at System One, directs the company's technology strategy and digital infrastructure. Biondi oversees the development and implementation of information systems that support the organization's specialized outsourced services and workforce solutions. This leadership role ensures that technology initiatives align with the company's mission to serve highly technical and mission-critical industries. The Chief Information Officer is responsible for enhancing the scalability and security of System One's digital platforms, enabling the efficient mobilization of skilled talent and technical expertise. Lisa Biondi's strategic vision for technology supports the seamless integration of consulting, staffing, and project execution capabilities. By optimizing IT operations, the Chief Information Officer empowers the organization to effectively translate client objectives into actionable outcomes and maintain a competitive edge in the market.

    Susan Tencza - Chief Human Resources Officer

    Susan Tencza, the Chief Human Resources Officer at System One, leads the company's human capital strategy and talent management initiatives. Tencza oversees the development and execution of programs designed to attract, retain, and develop a highly skilled workforce essential for serving technical and mission-critical industries. This role is pivotal in supporting System One's mission to provide specialized outsourced services and workforce solutions by ensuring the availability of expert personnel. The Chief Human Resources Officer drives initiatives that foster a culture of performance, compliance, and continuous learning, aligning human resources practices with the company's operational objectives. Susan Tencza's leadership ensures that the organization can effectively mobilize talent and expertise, enabling clients to achieve their strategic goals. By focusing on employee engagement and development, the Chief Human Resources Officer strengthens the company's capacity to integrate consulting, staffing, and project execution capabilities.
    Susan Tencza

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    Frequently Asked Questions Regarding System One Top Executives and Leadership Team

    Who leads System One?
    System One is led by Paulo Zanoelo (Chief Executive Officer), along with executives such as Troy Gregory (Chairman & Chief Executive Officer) and Scott Barnett (Chief Financial Officer).
    Who is part of System One’s executive team?
    The executive team of System One includes leaders such as Paulo Zanoelo (Chief Executive Officer), Troy Gregory (Chairman & Chief Executive Officer), Scott Barnett (Chief Financial Officer) and other senior executives.
    How many executives does System One have?
    System One has 7 executives leading key business areas.
    What roles are included in System One’s leadership team?
    The leadership team of System One includes roles such as Chief Executive Officer, Chairman & Chief Executive Officer, Chief Financial Officer, President & Chief Operating Officer, President, Digital & Creative.