Parexel Executive and Leadership Team

May, 2026

Leadership Overview

Parexel has 10 executives leading key functions including operations, finance, medical affairs, and project leadership.

Driven by a commitment to advancing health, Parexel is dedicated to delivering innovative solutions that accelerate the development and delivery of new therapies to patients worldwide, fostering a culture of scientific excellence and operational efficiency.

Leadership Roles at Parexel

  • Senior Vice President, Chief Financial Officer - Consulting and Commercial - Amy France
  • Executive Vice President & Chief Financial Officer - Gregory Rush
  • Chief of Staff & Chief Financial Officer, Office of - Paul Armstrong
  • Chief Operating Officer - Georgina Singleton
  • Global President, Clinical & Data Operations - Debra Tatton
  • Global President, Project Leadership & Launch Excellence - Teri Karcher
  • Chief Medical Officer - Charlotte Moser
  • Executive Vice President & Chief Administrative Officer & General Counsel - Michael Crowley
  • Chief Operating & Growth Officer - Peyton Howell
  • Team Captain - Francois Benard
  • 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, manages the financial operations and strategic fiscal planning for the company's consulting and commercialization segments. France directs financial analysis, budgeting, and forecasting to support the growth and profitability of these critical business units. This role involves close collaboration with leadership teams to align financial strategies with market opportunities and client needs in drug development, regulatory affairs, and market access. Amy France's financial acumen is essential for guiding investment decisions and ensuring the financial health of Parexel's client-facing services. By providing robust financial oversight, France enables the effective delivery of services that support product launch and commercial success for clients in the pharmaceutical and biotechnology sectors.

    Gregory Rush - Executive Vice President & Chief Financial Officer

    Gregory Rush, the Executive Vice President & Chief Financial Officer at Parexel, holds ultimate responsibility for the company's overall financial health and strategic fiscal direction. Rush directs all financial planning, accounting, treasury, and investor relations activities, ensuring robust financial controls and reporting across the global organization. This executive leadership position involves guiding capital allocation, managing risk, and driving financial performance to support Parexel's long-term growth objectives and its mission to accelerate the delivery of new therapies. Gregory Rush's strategic financial management is critical for maintaining investor confidence and enabling the company's expansion into new markets and service areas. By overseeing the financial architecture, Rush ensures the sustainable operation and development of Parexel's comprehensive biopharmaceutical outsourcing services.

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

    Paul Armstrong, the Chief of Staff & Chief Financial Officer, Office of at Parexel, provides critical strategic and financial support directly to executive leadership. Armstrong coordinates key initiatives, drives operational efficiency within the executive office, and contributes to the financial oversight of strategic projects. This multifaceted role involves ensuring alignment across departments, facilitating communication between leadership and operational teams, and supporting the financial implications of major corporate decisions. Paul Armstrong's dual focus on operational coordination and financial strategy is vital for the effective functioning of Parexel's executive leadership. By bridging strategic planning and financial management, Armstrong enhances the company's ability to navigate complex challenges and capitalize on opportunities within the biopharmaceutical industry.

    Georgina Singleton - Chief Operating Officer

    Georgina Singleton, the Chief Operating Officer at Parexel, directs the company's global operational strategies, ensuring seamless execution across all service lines. Singleton oversees the integration of clinical research services, consulting, and informatics to deliver cohesive solutions for pharmaceutical, biotechnology, and medical device clients. This leadership role involves optimizing resource allocation, enhancing operational efficiency, and driving process improvements to meet the complex demands of worldwide drug development and commercialization. Singleton's focus on operational excellence directly supports Parexel's mission to accelerate the delivery of new therapies. By managing the day-to-day functions of the organization, Georgina Singleton ensures that Parexel consistently meets its commitments to clients and stakeholders, driving tangible results in the biopharmaceutical outsourcing landscape.

    Debra Tatton - Global President, Clinical & Data Operations

    Debra Tatton, the Global President, Clinical & Data Operations at Parexel, oversees the comprehensive execution of clinical trials and data management services worldwide. Tatton directs the operational teams responsible for managing complex clinical research projects, ensuring data integrity, and adhering to stringent regulatory requirements. This leadership position involves optimizing clinical trial processes, implementing advanced data capture systems, and driving efficiency across global operations. Debra Tatton's expertise is critical for Parexel's ability to deliver high-quality clinical research outcomes and accelerate the development of new therapies. By leading these core operational functions, Tatton directly contributes to the successful progression of client drug development programs and the advancement of global health.

    Teri Karcher - Global President, Project Leadership & Launch Excellence

    Teri Karcher, the Global President, Project Leadership & Launch Excellence at Parexel, spearheads the strategic direction and execution of complex client projects, with a particular focus on ensuring successful product launches. Karcher directs teams responsible for managing the full lifecycle of clinical development programs, from early-stage research through to commercialization readiness. This executive role emphasizes driving operational excellence, fostering cross-functional collaboration, and implementing best practices to achieve timely and effective market introductions for new therapies. Teri Karcher's leadership in project management and launch strategy is essential for Parexel's clients navigating the intricate path to bringing innovative treatments to patients. By championing launch excellence, Karcher directly supports the acceleration of therapeutic advancements.
    Teri Karcher

    Charlotte Moser - Chief Medical Officer

    Charlotte Moser, the Chief Medical Officer at Parexel, leads the company's clinical and medical strategy, ensuring scientific rigor and therapeutic expertise across all research and development initiatives. Moser oversees the medical aspects of clinical trials, providing critical insights into disease areas, patient populations, and regulatory requirements for pharmaceutical, biotechnology, and medical device clients. This leadership position involves guiding the interpretation of clinical data, ensuring patient safety, and advising on the strategic direction of drug development programs. Charlotte Moser's medical leadership is fundamental to Parexel's ability to deliver high-quality clinical research services and accelerate the path to market for new therapies. By championing medical excellence, Moser directly contributes to the successful outcomes of client projects and the advancement of global health.
    Charlotte Moser

    Michael Crowley - Executive Vice President & Chief Administrative Officer & General Counsel

    Michael Crowley, the Executive Vice President & Chief Administrative Officer & General Counsel at Parexel, directs the company's legal affairs, corporate governance, and administrative functions. Crowley provides strategic legal counsel on all aspects of Parexel's global operations, ensuring compliance with international regulations and safeguarding the company's interests. This leadership role encompasses managing risk, overseeing contracts, and guiding corporate policy development. Michael Crowley's expertise in legal and administrative matters is crucial for maintaining the integrity and operational stability of Parexel's biopharmaceutical outsourcing services. By ensuring robust legal frameworks and efficient administrative processes, Crowley supports the company's mission to accelerate the development and delivery of new therapies worldwide.
    Michael Crowley

    Peyton Howell - Chief Operating & Growth Officer

    Peyton Howell, the Chief Operating & Growth Officer at Parexel, drives the company's operational execution and strategic expansion initiatives across global markets. Howell oversees the integration of services and the development of new capabilities to meet evolving client needs in the biopharmaceutical and medical device industries. This executive role focuses on enhancing operational efficiency, fostering innovation, and identifying new avenues for business growth. Peyton Howell's leadership is instrumental in scaling Parexel's operations to support a growing client base and expanding its market presence worldwide. By championing both operational excellence and strategic growth, Howell ensures Parexel remains at the forefront of the outsourcing services sector, accelerating the delivery of life-changing therapies.
    Peyton Howell

    Francois Benard - Team Captain

    Francois Benard, the Team Captain at Parexel, leads a dedicated team focused on specific project objectives within the company's service delivery framework. Benard directs the day-to-day activities of the team, ensuring efficient execution of tasks related to clinical research, data management, or technology solutions. This role involves fostering collaboration, motivating team members, and ensuring adherence to project timelines and quality standards. Francois Benard's leadership contributes to the successful completion of client projects, supporting Parexel's commitment to accelerating the development of new therapies. By guiding team efforts, Benard plays a vital part in delivering the high-quality services that Parexel provides to the pharmaceutical, biotechnology, and medical device industries.

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    Frequently Asked Questions Regarding Parexel Top Executives and Leadership Team

    Who leads Parexel?
    Parexel is led by Amy France (Senior Vice President, Chief Financial Officer - Consulting and Commercial), along with executives such as Gregory Rush (Executive Vice President & Chief Financial Officer) 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 Amy France (Senior Vice President, Chief Financial Officer - Consulting and Commercial), Gregory Rush (Executive Vice President & Chief Financial Officer), 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 Senior Vice President, Chief Financial Officer - Consulting and Commercial, Executive Vice President & Chief Financial Officer, Chief of Staff & Chief Financial Officer, Office of, Chief Operating Officer, Global President, Clinical & Data Operations.