System One Executive and Leadership Team

September, 2026

Leadership Overview

System One has 6 executives leading key functions including strategy, governance, technology, operations, human capital, and digital creative services.

Focused on bridging the gap between strategy and execution, System One delivers specialized workforce solutions and professional services to mission-critical industries, ensuring operational excellence through technical expertise and scalable resource management.

Leadership Roles at System One

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

    Paulo Zanoelo, the Chief Executive Officer at System One, directs the overarching strategic vision for the organization. Zanoelo architects long-term growth initiatives by aligning professional services with the evolving needs of mission-critical industries. By overseeing the integration of consulting and staffing capabilities, the Chief Executive Officer ensures that the company maintains a competitive edge in complex technical markets. Zanoelo drives the expansion of service models across North American operations, focusing on high-stakes project execution. This leadership role involves constant collaboration with the Board to refine corporate objectives and enhance market positioning. Through the implementation of agile operational frameworks, Paulo Zanoelo secures the delivery of high-value outcomes for public and private sector clients. The Chief Executive Officer prioritizes the maintenance of rigorous compliance standards while scaling the workforce solutions portfolio to meet diverse client demands in highly technical environments.
    Paulo Zanoelo

    Troy Gregory - Chairman & Chief Executive Officer

    Troy Gregory, the Chairman & Chief Executive Officer at System One, governs the strategic direction and corporate oversight of the entire organization. Gregory leads the executive team in translating high-level business objectives into actionable outcomes for clients operating in mission-critical sectors. By managing the intersection of engineering expertise and project execution, the Chairman & Chief Executive Officer ensures that the company remains a leader in providing specialized workforce solutions. Gregory drives the development of unified service models that integrate consulting and staffing to support complex operational initiatives. This leadership role requires deep engagement with stakeholders to maintain the organization's legacy of technical proficiency. Through the guidance of Troy Gregory, the company navigates intricate market environments where precision and compliance remain paramount. The Chairman & Chief Executive Officer fosters a culture of operational agility, enabling the firm to address the unique challenges faced by large-scale organizations across diverse technical landscapes.

    Greg Lignelli - President & Chief Operating Officer

    Greg Lignelli, the President & Chief Operating Officer at System One, executes the daily operational strategies that drive the company's service delivery model. Lignelli oversees the deployment of specialized workforce solutions, ensuring that technical expertise reaches clients in mission-critical industries with maximum efficiency. By managing the operational lifecycle of complex projects, the President & Chief Operating Officer bridges the gap between high-level strategy and tangible outcomes. Lignelli drives the optimization of internal resources to support large-scale initiatives across diverse geographic markets. This leadership role involves close coordination with department heads to maintain high standards of precision and compliance. Through the efforts of Greg Lignelli, the organization achieves consistent performance in environments where the margin for error remains minimal. The President & Chief Operating Officer focuses on scaling operational capabilities, ensuring that the firm's integrated service model effectively addresses the evolving needs of public and private sector partners.
    Greg Lignelli

    Rachel Peters - President, Digital & Creative

    Rachel Peters, the President, Digital & Creative at System One, leads the specialized division focused on delivering innovative digital and creative workforce solutions. Peters architects strategies that integrate creative talent into the company's broader professional services model, supporting clients in highly technical industries. By overseeing the expansion of digital capabilities, the President, Digital & Creative ensures that the organization provides comprehensive support for complex operational initiatives. Peters drives the development of creative service offerings that translate high-level client objectives into actionable, high-impact outcomes. This leadership role involves constant collaboration with other business units to ensure that digital and creative outputs align with the firm's overall commitment to precision and technical proficiency. Through the guidance of Rachel Peters, the company enhances its ability to navigate complex environments by leveraging modern digital tools. The President, Digital & Creative focuses on scaling this division to meet the growing demand for integrated creative and technical expertise.

    Lisa Biondi - Chief Information Officer

    Lisa Biondi, the Chief Information Officer at System One, manages the technological infrastructure and digital transformation initiatives that support the company's professional services. Biondi architects scalable IT solutions that enable the efficient mobilization of technical talent and resources across the organization. By overseeing the integration of data-driven systems, the Chief Information Officer ensures that internal processes align with the complex requirements of mission-critical industries. Biondi drives the adoption of secure, high-performance platforms that facilitate seamless communication between consulting teams and client stakeholders. This leadership role involves constant collaboration with other C-suite members to optimize operational agility through advanced technology. Through the strategic implementation of digital tools, Lisa Biondi enhances the company's ability to deliver precise, compliant, and effective workforce solutions. The Chief Information Officer maintains a focus on cybersecurity and system reliability, ensuring that the firm's technical proficiency remains a core differentiator in the competitive professional services market.

    Susan Burgess Tencza - Chief Human Resources Officer

    Susan Burgess Tencza, the Chief Human Resources Officer at System One, directs the talent acquisition and human capital strategies essential for the company's workforce solutions. Tencza architects programs that attract and retain highly skilled professionals capable of operating in mission-critical industries. By overseeing the alignment of human resources with the firm's broader consulting and staffing objectives, the Chief Human Resources Officer ensures that the organization maintains a deep bench of technical expertise. Tencza drives initiatives that foster a culture of excellence, compliance, and professional development across the entire workforce. This leadership role involves collaborating with executive peers to ensure that talent management supports the company's operational agility. Through the work of Susan Burgess Tencza, the firm secures the human capital necessary to deliver complex projects for large-scale clients. The Chief Human Resources Officer prioritizes the development of robust talent pipelines, enabling the company to meet the precise demands of its diverse technical client base.
    Susan Burgess 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 Greg Lignelli (President & Chief Operating 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), Greg Lignelli (President & Chief Operating Officer) and other senior executives.
    How many executives does System One have?
    System One has 6 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, President & Chief Operating Officer, President, Digital & Creative, Chief Information Officer.