Altasciences Executive and Leadership Team

November, 2026

Leadership Overview

Altasciences has 7 executives leading key functions including strategy, operations, revenue, medical oversight, administration, technology, and drug development.

Committed to accelerating drug development, Altasciences delivers comprehensive preclinical and clinical research solutions to global pharmaceutical partners through a unified, agile service model.

Leadership Roles at Altasciences

  • Chief Executive Officer - Marie-Hélène Raigneau
  • Co-Chief Operating Officer - Stephen James Mason
  • President, Drug Development Solutions - Robert Sabelli
  • Executive Vice President & Chief Revenue Officer, Services - Nicole Maciolek
  • Chief Medical Officer - Gaetano Morelli
  • Chief Administrative Officer - Catherine Konidas
  • Senior Director, Information Technology & Strategic Planning - Joel Woods
  • Marie-Hélène Raigneau - Chief Executive Officer

    Marie-Hélène Raigneau, the Chief Executive Officer at Altasciences, directs the overarching corporate strategy and long-term vision for the organization. By aligning preclinical and clinical service offerings with evolving pharmaceutical market demands, the Chief Executive Officer ensures operational excellence across all international research facilities. Raigneau maintains direct oversight of executive leadership initiatives, fostering a culture of innovation that supports rapid drug development cycles. This leadership role involves constant engagement with the Board to optimize resource allocation and drive sustainable growth. Marie-Hélène Raigneau actively monitors global industry trends to maintain a competitive edge in the contract research organization landscape. Through rigorous management of corporate objectives, the Chief Executive Officer secures the financial health and operational integrity of the firm. Raigneau champions the integration of bioanalytical and manufacturing services to provide clients with seamless, end-to-end research support, ultimately accelerating the delivery of life-saving therapies to patients worldwide.
    Marie-Hélène Raigneau

    Stephen James Mason - Co-Chief Operating Officer

    Stephen James Mason, the Co-Chief Operating Officer at Altasciences, manages the internal scaling and infrastructure efficiency of the company's clinical research operations. Focusing on the optimization of facility workflows, the Co-Chief Operating Officer ensures that clinical trial execution meets stringent regulatory standards while maintaining high throughput. Mason coordinates with department heads to streamline cross-functional processes, reducing bottlenecks in the drug development pipeline. This role requires constant monitoring of operational metrics to enhance productivity across North American sites. Stephen James Mason drives the implementation of standardized protocols that improve data quality and project turnaround times. By refining internal systems, the Co-Chief Operating Officer supports the broader mission of delivering reliable research outcomes. Mason oversees the integration of new technologies into daily operations, ensuring that the organization remains at the forefront of clinical research efficiency. Through meticulous attention to operational detail, the Co-Chief Operating Officer sustains the high performance required for complex pharmaceutical projects.
    Stephen James Mason

    Robert Sabelli - President, Drug Development Solutions

    Robert Sabelli, the President, Drug Development Solutions at Altasciences, directs the comprehensive suite of services that span the entire drug development lifecycle. Overseeing the integration of preclinical, clinical, and manufacturing capabilities, the President, Drug Development Solutions ensures that clients receive a cohesive and efficient research experience. Sabelli manages the strategic direction of the drug development division, focusing on expanding service offerings to meet the needs of global pharmaceutical partners. This leadership role involves coordinating with operational and scientific teams to deliver high-quality, timely results. Robert Sabelli drives the development of new service models that simplify the path from discovery to clinical trials. By aligning the division's goals with the company's mission, the President, Drug Development Solutions fosters a culture of scientific excellence and operational agility. Sabelli monitors project performance to ensure that all development solutions meet client expectations and regulatory requirements. Through strategic leadership, the President, Drug Development Solutions secures the company's position as a leader in integrated drug development services.
    Robert Sabelli

    Nicole Maciolek - Executive Vice President & Chief Revenue Officer, Services

    Nicole Maciolek, the Executive Vice President & Chief Revenue Officer, Services at Altasciences, architects the global commercial strategy and revenue growth initiatives. Overseeing the expansion of service portfolios, the Executive Vice President & Chief Revenue Officer, Services ensures that client acquisition strategies align with the company's core research capabilities. Maciolek manages high-level partnerships with pharmaceutical and biotechnology firms, driving long-term contract value. This leadership role involves analyzing market opportunities to penetrate new therapeutic areas and geographic regions. Nicole Maciolek directs the sales and business development teams, fostering a client-centric approach that emphasizes the value of integrated CRO services. By optimizing the revenue funnel, the Executive Vice President & Chief Revenue Officer, Services directly impacts the company's financial trajectory. Maciolek collaborates with operational leaders to ensure that service delivery matches commercial promises, maintaining high client satisfaction levels. Through strategic market positioning, the Executive Vice President & Chief Revenue Officer, Services secures the firm's status as a preferred partner in drug development.
    Nicole Maciolek

    Gaetano Morelli - Chief Medical Officer

    Gaetano Morelli, the Chief Medical Officer at Altasciences, provides clinical leadership and medical oversight for all research programs. Directing the medical strategy, the Chief Medical Officer ensures that clinical trials adhere to the highest safety and ethical standards. Morelli oversees the medical monitoring teams, providing expert guidance on protocol design and patient safety throughout the drug development process. This role involves constant interaction with regulatory bodies to ensure compliance and facilitate successful trial outcomes. Gaetano Morelli drives the integration of medical expertise into the company's preclinical and clinical service offerings, enhancing the scientific rigor of every project. By leading the medical staff, the Chief Medical Officer supports the development of innovative therapies across diverse therapeutic indications. Morelli monitors emerging medical trends to inform the company's research direction and service expansion. Through clinical excellence, the Chief Medical Officer ensures that all research activities contribute to the successful advancement of pharmaceutical candidates, ultimately improving patient health outcomes.

    Catherine Konidas - Chief Administrative Officer

    Catherine Konidas, the Chief Administrative Officer at Altasciences, manages the corporate infrastructure, human resources, and administrative functions that support the organization's growth. Overseeing the alignment of internal policies with business objectives, the Chief Administrative Officer ensures that the company maintains a high-performance culture. Konidas directs the administrative teams responsible for facility management, legal compliance, and organizational development. This leadership role involves streamlining internal processes to improve efficiency across all departments. Catherine Konidas drives initiatives that foster employee engagement and talent retention, which are critical for maintaining the specialized workforce required for clinical research. By optimizing administrative workflows, the Chief Administrative Officer supports the operational teams in delivering high-quality services to clients. Konidas collaborates with the executive team to implement strategic changes that enhance organizational agility. Through effective management of corporate resources, the Chief Administrative Officer ensures that the company remains well-positioned to scale its operations and meet the evolving needs of the pharmaceutical industry.
    Catherine Konidas

    Joel Woods - Senior Director, Information Technology & Strategic Planning

    Joel Woods, the Senior Director, Information Technology & Strategic Planning at Altasciences, architects the digital infrastructure and long-term technology roadmap. Overseeing the implementation of secure data management systems, the Senior Director, Information Technology & Strategic Planning ensures that all research data remains protected and accessible for clinical analysis. Woods directs the IT teams in deploying scalable solutions that support the company's complex research requirements. This role involves integrating strategic planning with technological advancements to drive operational efficiency. Joel Woods collaborates with other C-suite leaders to align IT investments with the company's broader growth objectives. By modernizing the digital environment, the Senior Director, Information Technology & Strategic Planning enables faster data processing and improved collaboration across global research sites. Woods monitors cybersecurity threats and ensures compliance with international data privacy regulations. Through the strategic application of technology, the Senior Director, Information Technology & Strategic Planning supports the firm's mission to accelerate drug development through innovation and digital excellence.

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    Frequently Asked Questions Regarding Altasciences Top Executives and Leadership Team

    Who leads Altasciences?
    Altasciences is led by Marie-Hélène Raigneau (Chief Executive Officer), along with executives such as Stephen James Mason (Co-Chief Operating Officer) and Robert Sabelli (President, Drug Development Solutions).
    Who is part of Altasciences’s executive team?
    The executive team of Altasciences includes leaders such as Marie-Hélène Raigneau (Chief Executive Officer), Stephen James Mason (Co-Chief Operating Officer), Robert Sabelli (President, Drug Development Solutions) and other senior executives.
    How many executives does Altasciences have?
    Altasciences has 7 executives leading key business areas.
    What roles are included in Altasciences’s leadership team?
    The leadership team of Altasciences includes roles such as Chief Executive Officer, Co-Chief Operating Officer, President, Drug Development Solutions, Executive Vice President & Chief Revenue Officer, Services, Chief Medical Officer.