Leadership Overview
Parexel has 9 executives leading key functions including finance, operations, clinical research, and technology.
Driven by a commitment to advancing health, Parexel focuses on delivering innovative solutions across the biopharmaceutical and medical device industries, enhancing global patient outcomes through expert research and development services.
Driven by a commitment to advancing health, Parexel focuses on delivering innovative solutions across the biopharmaceutical and medical device industries, enhancing global patient outcomes through expert research and development services.
Leadership Roles at Parexel
Gregory Rush - Chief Financial Officer
Gregory Rush, the Chief Financial Officer at Parexel, directs all financial operations and strategic fiscal planning. Overseeing budgeting, forecasting, and financial reporting, Rush ensures robust financial health and compliance across the organization. This leadership role involves managing capital allocation, investor relations, and driving profitability through efficient resource management. By optimizing financial strategies, Gregory Rush directly supports Parexel's global expansion and investment in cutting-edge research services. Ultimately, Rush secures the company's financial stability and growth trajectory, aligning fiscal objectives with long-term business goals.
Georgina Singleton - Chief Operating Officer
Georgina Singleton, the Chief Operating Officer at Parexel, executes operational strategies to enhance service delivery and efficiency. Overseeing day-to-day business activities, Singleton drives process improvements across all operational segments, including Clinical Research Services (CRS) and PAREXEL Informatics (PI). This critical role involves optimizing resource utilization, managing operational risks, and ensuring seamless execution of complex clinical trials and data management projects. By streamlining workflows and implementing best practices, Georgina Singleton directly contributes to Parexel's reputation for reliability and excellence in biopharmaceutical outsourcing. Ultimately, Singleton ensures operational excellence supports the company's mission to advance global health outcomes.
Teri Karcher - Global President, Project Leadership & Launch Excellence
Teri Karcher, the Global President, Project Leadership & Launch Excellence at Parexel, directs the strategic execution of complex client projects and product launches. Overseeing project management frameworks and ensuring seamless delivery, Karcher champions best practices in clinical trial management and regulatory affairs. This role focuses on optimizing the transition from clinical development to market availability, ensuring clients achieve successful product introductions. By fostering a culture of excellence in project leadership, Teri Karcher directly enhances Parexel's ability to support pharmaceutical and biotechnology companies worldwide. Ultimately, Karcher drives client success through meticulous planning and flawless execution of critical launch initiatives.
Debra Tatton - Global President, Clinical & Data Operations
Debra Tatton, the Global President, Clinical & Data Operations at Parexel, leads the comprehensive delivery of clinical research and data management services. Overseeing all aspects of clinical trial execution and data integrity, Tatton ensures adherence to global regulatory standards and client specifications. This pivotal role involves managing large-scale clinical operations, including data collection, biostatistical analysis, and epidemiological research. By optimizing clinical workflows and data governance, Debra Tatton directly enhances Parexel's capacity to manage complex research studies for the pharmaceutical, biotechnology, and medical device industries. Ultimately, Tatton ensures the highest quality outcomes in clinical research and data operations.
Andrew Smith - President, Medical Marketing Services
Andrew Smith, the President, Medical Marketing Services at Parexel, spearheads the strategic development and execution of commercialization and communication initiatives. Overseeing market access, product promotion, and targeted communication strategies, Smith guides clients through successful product launches and lifecycle management. This role involves leveraging deep industry expertise to craft compelling market narratives and support product adoption. By integrating medical insights with commercial objectives, Andrew Smith directly enhances Parexel's value proposition for clients in the pharmaceutical and biotechnology sectors. Ultimately, Smith drives market success through innovative and effective medical marketing solutions.
Amy Kissam-Sands - President, Operational Excellence, Delivery & Innovation
Amy Kissam-Sands, the President, Operational Excellence, Delivery & Innovation at Parexel, drives continuous improvement and technological advancement across service delivery. Overseeing the implementation of innovative solutions and optimizing operational processes, Kissam-Sands enhances efficiency and effectiveness in clinical research and data management. This role focuses on integrating cutting-edge technologies and methodologies to elevate service quality and client outcomes. By fostering a culture of innovation and operational rigor, Amy Kissam-Sands directly contributes to Parexel's leadership in the biopharmaceutical services sector. Ultimately, Kissam-Sands ensures Parexel remains at the forefront of delivery excellence and technological innovation.
Charlotte Moser - Chief Medical Officer
Charlotte Moser, the Chief Medical Officer at Parexel, provides critical medical and scientific leadership across the organization. Overseeing clinical strategy and ensuring the scientific integrity of research services, Moser guides the development and execution of clinical trials. This role involves translating complex medical insights into actionable research plans, particularly within the pharmaceutical, biotechnology, and medical device sectors. By championing evidence-based approaches, Charlotte Moser directly influences the design and success of observational studies, patient registries, and post-marketing surveillance programs. Ultimately, Moser ensures Parexel's services align with the highest medical standards, driving innovation in patient care and therapeutic development.
Michael Crowley - Chief Administrative Officer, General Counsel & Secretary
Michael Crowley, the Chief Administrative Officer, General Counsel & Secretary at Parexel, provides comprehensive legal and administrative oversight. Overseeing all legal affairs, corporate governance, and administrative functions, Crowley ensures regulatory compliance and mitigates legal risks across global operations. This critical role involves advising leadership on legal strategy, managing corporate compliance, and safeguarding the company's interests. By maintaining robust legal frameworks and efficient administrative processes, Michael Crowley directly supports Parexel's mission and operational integrity. Ultimately, Crowley ensures the company operates within all legal and ethical boundaries, fostering a secure and compliant business environment.

Peyton Howell - Chief Operating & Growth Officer
Peyton Howell, the Chief Operating & Growth Officer at Parexel, drives strategic initiatives for operational enhancement and market expansion. Overseeing key growth vectors and operational scaling, Howell identifies and capitalizes on new opportunities within the biopharmaceutical and medical device industries. This leadership position involves fostering cross-functional collaboration to accelerate product development and commercialization services. By aligning operational capabilities with market demands, Peyton Howell directly fuels Parexel's expansion into new therapeutic areas and geographic regions. Ultimately, Howell ensures the company's operational framework supports sustained growth and increased market impact.

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