Altasciences Executive and Leadership Team

October, 2026

Leadership Overview

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

Focused on accelerating the drug development process, Altasciences delivers comprehensive preclinical and clinical research solutions to global pharmaceutical and biotechnology partners through integrated, agile service models.

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 Administrative Officer - Catherine Konidas
  • Chief Medical Officer - Gaetano Morelli
  • 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 strategic vision for the organization. Raigneau architects the long-term growth trajectory by aligning preclinical and clinical service offerings with evolving market demands in the pharmaceutical sector. Overseeing the executive leadership team, the Chief Executive Officer ensures operational excellence across all North American facilities. This leadership role involves fostering partnerships with global biotechnology firms to streamline drug development timelines. By prioritizing innovation in bioanalytical and manufacturing services, Marie-Hélène Raigneau drives the company toward market leadership. Raigneau maintains rigorous standards for quality and compliance, ensuring that the organization meets complex regulatory requirements. Through consistent focus on efficiency and client-centric solutions, the Chief Executive Officer secures the competitive position of the firm within the contract research organization landscape, ultimately delivering value to stakeholders and advancing medical research initiatives.
    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 operational infrastructure required for high-volume clinical research. Mason optimizes the execution of preclinical studies by refining workflows and resource allocation across diverse laboratory environments. Overseeing the integration of manufacturing and analytical services, the Co-Chief Operating Officer ensures seamless transitions between development phases. This leadership role involves coordinating cross-functional teams to maintain high throughput while adhering to strict safety protocols. By implementing advanced project management methodologies, Stephen James Mason enhances operational agility across the North American footprint. Mason drives continuous improvement initiatives to reduce cycle times for drug development clients. Through meticulous oversight of daily operations, the Co-Chief Operating Officer supports the broader organizational mission of providing rapid, reliable data to the pharmaceutical industry, ensuring that every project meets the highest standards of scientific integrity and operational precision.
    Stephen James Mason

    Robert Sabelli - President, Drug Development Solutions

    Robert Sabelli, the President, Drug Development Solutions at Altasciences, leads the specialized division focused on end-to-end drug development services. Sabelli architects the operational strategy for the company's core research offerings, ensuring that preclinical and clinical programs are executed with precision. Overseeing the delivery of integrated solutions, the President, Drug Development Solutions coordinates the efforts of scientific and operational teams to meet client milestones. This leadership role involves managing the expansion of service capabilities to address the evolving needs of the pharmaceutical industry. By focusing on the seamless transition of projects from early development to clinical trials, Robert Sabelli drives efficiency and quality. Sabelli collaborates with other executives to ensure that the division's output aligns with the company's broader mission of accelerating drug development. Through the management of complex research portfolios, the President, Drug Development Solutions secures the firm's reputation for excellence in providing comprehensive, high-impact drug development services to global partners.
    Robert Sabelli

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

    Nicole Maciolek, the Executive Vice President & Chief Revenue Officer, Services at Altasciences, leads the commercial strategy and revenue generation efforts for the organization. Maciolek architects client acquisition programs that highlight the unique value proposition of the company's integrated CRO services. Overseeing the sales and business development teams, the Executive Vice President & Chief Revenue Officer, Services ensures alignment between market needs and service delivery capabilities. This leadership role involves cultivating long-term relationships with pharmaceutical partners to expand the company's reach across global markets. By analyzing market trends and competitive positioning, Nicole Maciolek drives sustainable revenue growth. Maciolek collaborates with the executive team to refine pricing models and service packages that address specific client challenges in drug development. Through strategic market engagement, the Executive Vice President & Chief Revenue Officer, Services secures the financial health of the firm while expanding the footprint of the organization within the competitive research services sector.
    Nicole Maciolek

    Catherine Konidas - Chief Administrative Officer

    Catherine Konidas, the Chief Administrative Officer at Altasciences, governs the internal corporate functions that support the organization's research mission. Konidas directs human resources, facilities management, and corporate governance to ensure a stable environment for scientific operations. Overseeing the administrative infrastructure, the Chief Administrative Officer implements policies that foster organizational efficiency and employee engagement. This leadership role involves managing the logistical requirements of multiple research sites to maintain operational continuity. By streamlining internal processes, Catherine Konidas supports the broader strategic goals of the company. Konidas works closely with other C-suite leaders to ensure that administrative support aligns with the rapid pace of clinical and preclinical service delivery. Through the management of corporate resources and organizational culture, the Chief Administrative Officer enables the firm to attract top scientific talent and maintain a high-performance workplace, ultimately contributing to the success of drug development projects and the overall growth of the organization.
    Catherine Konidas

    Gaetano Morelli - Chief Medical Officer

    Gaetano Morelli, the Chief Medical Officer at Altasciences, provides clinical oversight and medical expertise for all research programs. Morelli architects the medical strategy for clinical trials, ensuring that study designs meet rigorous scientific and ethical standards. Overseeing the medical affairs team, the Chief Medical Officer monitors patient safety and data integrity throughout the drug development process. This leadership role involves providing guidance on complex regulatory submissions and interacting with health authorities to facilitate project success. By integrating medical insights into the company's service offerings, Gaetano Morelli enhances the quality of clinical research outcomes. Morelli collaborates with the scientific and operational teams to address medical challenges that arise during the course of drug development. Through the application of deep clinical knowledge, the Chief Medical Officer ensures that the organization remains at the forefront of medical innovation, providing clients with the expertise necessary to navigate the complexities of modern clinical research.

    Joel Woods - Senior Director, Information Technology & Strategic Planning

    Joel Woods, the Senior Director, Information Technology & Strategic Planning at Altasciences, manages the digital infrastructure and long-term planning initiatives for the firm. Woods architects scalable IT solutions that support the data-intensive requirements of preclinical and clinical research. Overseeing the technology roadmap, the Senior Director, Information Technology & Strategic Planning ensures that digital systems remain secure, compliant, and efficient. This leadership role involves aligning technological investments with the company's strategic objectives to drive operational excellence. By implementing advanced data management tools, Joel Woods enables the organization to process research findings with greater speed and accuracy. Woods works with the executive team to identify opportunities for digital transformation that enhance service delivery. Through the integration of robust IT systems and strategic foresight, the Senior Director, Information Technology & Strategic Planning supports the company's ability to provide high-quality research services, ensuring that the firm remains technologically competitive in the global drug development market.

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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 Administrative Officer.