Parexel Executive and Leadership Team

June, 2026

Leadership Overview

Parexel has 10 executives leading key functions including operations, finance, clinical research, and technology.

Driven by a commitment to advancing healthcare, Parexel focuses on delivering innovative solutions that accelerate the development of life-changing therapies for patients worldwide.

Leadership Roles at Parexel

  • Chief Financial Officer - Gregory Rush
  • Senior Vice President, Chief Financial Officer - Consulting and Commercial - Amy France
  • Chief of Staff & Chief Financial Officer, Office of - Paul Armstrong
  • Chief Operating Officer - Georgina Singleton
  • President, Operational Excellence, Delivery & Innovation - Amy Kissam-Sands
  • Global President, Clinical & Data Operations - Debra Tatton
  • President, Medical Marketing Services - Andrew Smith
  • Chief Medical Officer - Charlotte Moser
  • Chief Administrative Officer, General Counsel & Secretary - Michael Crowley
  • Chief Operating & Growth Officer - Peyton Howell
  • Gregory Rush - Chief Financial Officer

    Gregory Rush, the Chief Financial Officer at Parexel, directs the company's financial strategy, resource allocation, and fiscal health. Rush manages all aspects of financial planning, accounting, and reporting, ensuring compliance with global financial regulations. This critical role involves optimizing capital structure, managing investor relations, and driving profitability across Parexel's diverse business segments. The Chief Financial Officer's expertise is essential for evaluating new business opportunities, mergers, and acquisitions, thereby supporting strategic growth initiatives. Gregory Rush's leadership ensures financial stability and provides the analytical foundation for informed decision-making, directly contributing to the company's long-term success and its ability to invest in innovative research and development services. Rush's financial acumen underpins the company's capacity to deliver complex projects worldwide.

    Amy France - Senior Vice President, Chief Financial Officer - Consulting and Commercial

    Amy France, the Senior Vice President, Chief Financial Officer - Consulting and Commercial at Parexel, leads financial operations specifically for the consulting and commercialization segments. France directs financial planning, analysis, and reporting for these specialized business units, ensuring their profitability and strategic alignment with Parexel's broader objectives. This role involves managing budgets, forecasting revenue, and identifying cost-saving opportunities within the consulting and commercialization services. The Senior Vice President, Chief Financial Officer - Consulting and Commercial provides crucial financial insights to support product launch strategies, market access initiatives, and client engagement. Amy France's financial leadership is vital for optimizing the financial performance of these client-facing operations, enabling Parexel to deliver comprehensive support from drug development through market entry. France ensures financial rigor in all commercial endeavors.

    Paul Armstrong - Chief of Staff & Chief Financial Officer, Office of

    Paul Armstrong, the Chief of Staff & Chief Financial Officer, Office of at Parexel, provides strategic financial leadership and operational support across key executive functions. Armstrong directs financial planning and analysis for the executive office, ensuring efficient resource deployment and alignment with corporate priorities. This multifaceted role involves coordinating strategic initiatives, managing cross-functional projects, and acting as a key liaison between executive leadership and various departments. The Chief of Staff & Chief Financial Officer, Office of plays a pivotal part in driving organizational effectiveness and implementing strategic decisions. Paul Armstrong's financial oversight and operational coordination are essential for streamlining executive operations and advancing Parexel's mission to accelerate biopharmaceutical innovation. Armstrong ensures financial discipline within the executive purview.

    Georgina Singleton - Chief Operating Officer

    Georgina Singleton, the Chief Operating Officer at Parexel, directs the company's global operational framework, ensuring seamless execution across all service delivery functions. Singleton oversees the integration of clinical research, data management, and technology solutions to optimize client project timelines and outcomes. This leadership role involves driving operational efficiencies and scaling capabilities to meet the increasing demands of the biopharmaceutical and medical device industries. Singleton's focus remains on enhancing the quality and speed of service delivery, directly supporting Parexel's mission to bring new therapies to market faster. The Chief Operating Officer ensures robust operational strategies are in place to manage complex global clinical trials and regulatory submissions, thereby reinforcing Parexel's position as a leading CRO. Georgina Singleton's strategic oversight guarantees that operational teams are aligned with company-wide objectives for growth and client satisfaction.

    Amy Kissam-Sands - President, Operational Excellence, Delivery & Innovation

    Amy Kissam-Sands, the President, Operational Excellence, Delivery & Innovation at Parexel, drives the continuous improvement of service delivery and fosters innovation across the organization. Kissam-Sands oversees the implementation of best practices in operational execution, ensuring efficiency, quality, and scalability in clinical research and development services. This role focuses on identifying and integrating cutting-edge technologies and methodologies to enhance project outcomes and client satisfaction. The President, Operational Excellence, Delivery & Innovation champions a culture of innovation, encouraging the development of novel solutions that address evolving industry challenges. Amy Kissam-Sands' leadership is instrumental in optimizing Parexel's global delivery capabilities, enabling the company to provide superior support to clients in bringing new medical treatments to market. Kissam-Sands ensures operational readiness for future industry demands.
    Amy Kissam-Sands

    Debra Tatton - Global President, Clinical & Data Operations

    Debra Tatton, the Global President, Clinical & Data Operations at Parexel, leads the company's core clinical research and data management functions on a worldwide scale. Tatton directs the execution of clinical trials, ensuring adherence to stringent quality standards and regulatory requirements across all project phases. This leadership position involves optimizing data collection, management, and analysis processes to provide clients with accurate and timely insights. The Global President, Clinical & Data Operations is responsible for managing large, complex global teams and ensuring the efficient delivery of services that underpin the development of new therapies. Debra Tatton's operational leadership is critical for Parexel's ability to support biopharmaceutical and medical device companies in navigating the complexities of clinical development and bringing innovative treatments to market. Tatton ensures operational excellence in data-driven research.

    Andrew Smith - President, Medical Marketing Services

    Andrew Smith, the President, Medical Marketing Services at Parexel, directs the company's strategic initiatives in medical communications and commercialization support. Smith oversees the development and execution of tailored marketing and communication strategies designed to effectively position pharmaceutical, biotechnology, and medical device products in the global marketplace. This role involves leveraging deep market insights and scientific expertise to enhance product value and patient access. The President, Medical Marketing Services plays a key part in helping clients navigate regulatory landscapes and achieve successful product launches. Andrew Smith's leadership ensures that Parexel provides comprehensive support, from clinical development through to market adoption, thereby accelerating the availability of critical medical advancements for patients worldwide. Smith drives effective market penetration strategies.

    Charlotte Moser - Chief Medical Officer

    Charlotte Moser, the Chief Medical Officer at Parexel, directs the company's medical and scientific strategy, ensuring the highest standards of clinical integrity and innovation. Moser oversees the medical affairs, clinical development, and pharmacovigilance functions, providing expert guidance on complex therapeutic areas and regulatory requirements. This leadership position involves translating scientific insights into actionable strategies that enhance Parexel's service offerings for pharmaceutical, biotechnology, and medical device clients. The Chief Medical Officer's deep understanding of clinical research is critical for guiding the design and execution of clinical trials, ensuring patient safety, and maximizing the potential of new treatments. Charlotte Moser's medical expertise is fundamental to Parexel's ability to support clients in navigating the intricate landscape of drug development and bringing life-saving therapies to patients globally. Moser champions scientific excellence across all clinical operations.
    Charlotte Moser

    Michael Crowley - Chief Administrative Officer, General Counsel & Secretary

    Michael Crowley, the Chief Administrative Officer, General Counsel & Secretary at Parexel, directs the company's legal affairs, corporate governance, and administrative functions. Crowley oversees all legal aspects of Parexel's global operations, ensuring compliance with international laws and regulations, and managing risk effectively. This comprehensive role involves advising executive leadership on legal matters, overseeing corporate compliance, and managing the company's corporate secretarial duties. The Chief Administrative Officer, General Counsel & Secretary plays a crucial part in safeguarding the company's interests and upholding its ethical standards. Michael Crowley's legal and administrative expertise is vital for navigating the complex regulatory environments in which Parexel operates, supporting its mission to accelerate the development of innovative therapies worldwide. Crowley ensures robust legal frameworks support business objectives.
    Michael Crowley

    Peyton Howell - Chief Operating & Growth Officer

    Peyton Howell, the Chief Operating & Growth Officer at Parexel, drives operational efficiency while spearheading strategic growth initiatives across the organization. Howell oversees the integration of operational capabilities with market expansion strategies, ensuring Parexel can effectively scale its services to meet global demand. This role focuses on identifying new market opportunities, developing strategic partnerships, and enhancing client relationships to foster sustainable business growth. The Chief Operating & Growth Officer plays a pivotal role in aligning operational execution with the company's ambitious growth targets. Peyton Howell's leadership ensures that Parexel's operational infrastructure supports its expansion into new therapeutic areas and geographic regions, thereby accelerating the delivery of life-changing treatments to patients worldwide. Howell cultivates a growth-oriented operational mindset.
    Peyton Howell

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    Frequently Asked Questions Regarding Parexel Top Executives and Leadership Team

    Who leads Parexel?
    Parexel is led by Gregory Rush (Chief Financial Officer), along with executives such as Amy France (Senior Vice President, Chief Financial Officer - Consulting and Commercial) and Paul Armstrong (Chief of Staff & Chief Financial Officer, Office of).
    Who is part of Parexel’s executive team?
    The executive team of Parexel includes leaders such as Gregory Rush (Chief Financial Officer), Amy France (Senior Vice President, Chief Financial Officer - Consulting and Commercial), Paul Armstrong (Chief of Staff & Chief Financial Officer, Office of) and other senior executives.
    How many executives does Parexel have?
    Parexel has 10 executives leading key business areas.
    What roles are included in Parexel’s leadership team?
    The leadership team of Parexel includes roles such as Chief Financial Officer, Senior Vice President, Chief Financial Officer - Consulting and Commercial, Chief of Staff & Chief Financial Officer, Office of, Chief Operating Officer, President, Operational Excellence, Delivery & Innovation.