Altasciences Executive and Leadership Team

May, 2026

Leadership Overview

Altasciences has 9 executives leading key functions including strategy, operations, revenue, research, administration, medical affairs, and information technology.

Driven by a commitment to advancing drug development, Altasciences provides comprehensive preclinical and clinical services, manufacturing, and analytical support, positioning itself as a vital partner in the pharmaceutical and biotechnology sectors.

Leadership Roles at Altasciences

  • Chief Executive Officer - Marie-Helene Raigneau
  • Co-Chief Operating Officer - Robert Sabelli
  • Co-Chief Operating Officer - Steven Mason
  • President and CSO - Charles Spainhour
  • President - Allan Reiss
  • 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-Helene Raigneau - Chief Executive Officer

    Marie-Helene Raigneau, the Chief Executive Officer at Altasciences, directs the overarching strategy and operational execution for the contract research organization. Raigneau guides the company's mission to accelerate drug development through integrated preclinical and clinical services. This leadership role involves fostering innovation across bioanalytical services, manufacturing, and CRO functions. By ensuring alignment with market demands, Raigneau drives the company's growth and its impact on bringing new therapies to patients. The Chief Executive Officer's vision shapes the company's strategic partnerships and its commitment to scientific excellence. Marie-Helene Raigneau's focus remains on enhancing client success and expanding Altasciences' global reach within the biopharmaceutical industry.
    Marie-Helene Raigneau

    Robert Sabelli - Co-Chief Operating Officer

    Robert Sabelli, the Co-Chief Operating Officer at Altasciences, oversees critical operational aspects of the contract research organization. Sabelli's responsibilities encompass the efficient delivery of preclinical and clinical services, ensuring seamless integration of manufacturing and analytical capabilities. This leadership position involves optimizing internal processes to support the company's bioanalytical and CRO functions. By focusing on operational excellence, Robert Sabelli enhances the company's capacity to meet client timelines and project requirements. The Co-Chief Operating Officer's efforts contribute directly to Altasciences' reputation for reliability and scientific rigor. Sabelli drives initiatives aimed at improving resource allocation and operational scalability across all service lines.
    Robert Sabelli

    Steven Mason - Co-Chief Operating Officer

    Steven Mason, the Co-Chief Operating Officer at Altasciences, manages key operational functions critical to the company's service delivery. Mason's oversight extends to the efficient execution of preclinical and clinical services, ensuring robust manufacturing and analytical capabilities are maintained. This leadership role focuses on optimizing the operational infrastructure that supports bioanalytical and CRO activities. By enhancing operational efficiency, Steven Mason directly contributes to Altasciences' capacity to serve its clients effectively and reliably. The Co-Chief Operating Officer's strategic focus on process improvement and resource management strengthens the company's overall performance. Mason drives initiatives that ensure seamless project execution and client support.

    Charles Spainhour - President and CSO

    Charles Spainhour, the President and CSO at Altasciences, leads the company's scientific direction and strategic initiatives. Spainhour's role involves guiding research and development efforts, ensuring the highest standards of scientific integrity across preclinical and clinical services. This leadership position focuses on advancing the company's capabilities in bioanalytical services, manufacturing, and CRO operations. By championing scientific innovation, Charles Spainhour contributes to Altasciences' ability to tackle complex drug development challenges. The President and CSO's expertise is crucial in shaping the company's service portfolio and its commitment to delivering impactful research outcomes. Spainhour drives the scientific vision that underpins Altasciences' client-centric approach.

    Allan Reiss - President

    Allan Reiss, the President at Altasciences, contributes to the strategic leadership and operational direction of the contract research organization. Reiss's role involves driving key initiatives that enhance the company's service offerings in preclinical and clinical research, manufacturing, and analytical services. This executive position focuses on fostering growth and operational excellence across the organization's bioanalytical and CRO functions. By championing strategic development, Allan Reiss supports Altasciences' mission to accelerate drug development timelines for its clients. The President's leadership ensures alignment with market needs and contributes to the company's sustained success. Reiss plays a vital part in shaping the company's future trajectory.
    Allan Reiss

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

    Nicole Maciolek, the Executive Vice President & Chief Revenue Officer, Services at Altasciences, spearheads the company's revenue generation and client relationship management strategies. Maciolek directs all sales and business development efforts, focusing on expanding the company's service offerings in preclinical and clinical research, manufacturing, and analytical services. This executive role involves cultivating key partnerships within the biopharmaceutical sector and ensuring client needs are met with tailored CRO and bioanalytical solutions. By driving revenue growth, Nicole Maciolek directly supports Altasciences' mission to accelerate drug development. The Chief Revenue Officer's strategic approach ensures sustained market presence and client satisfaction across diverse therapeutic areas.

    Catherine Konidas - Chief Administrative Officer

    Catherine Konidas, the Chief Administrative Officer at Altasciences, directs essential administrative functions that support the company's operational framework. Konidas oversees human resources, legal affairs, and corporate governance, ensuring compliance and operational integrity across the organization. This leadership role is vital for maintaining a stable and efficient work environment conducive to delivering high-quality preclinical and clinical services. By managing administrative operations, Catherine Konidas enables the seamless functioning of the company's bioanalytical, manufacturing, and CRO departments. The Chief Administrative Officer's strategic oversight ensures that Altasciences operates with maximum efficiency and adherence to regulatory standards. Konidas's focus is on fostering a supportive corporate culture.
    Catherine Konidas

    Gaetano Morelli - Chief Medical Officer

    Gaetano Morelli, the Chief Medical Officer at Altasciences, provides critical medical and scientific leadership for the company's clinical research operations. Morelli guides the design and execution of clinical trials, ensuring patient safety and data integrity throughout the drug development process. This executive role involves overseeing all medical aspects of preclinical and clinical services, contributing expertise to bioanalytical and CRO functions. By ensuring rigorous medical oversight, Gaetano Morelli enhances the scientific validity of Altasciences' research offerings. The Chief Medical Officer's insights are instrumental in advancing therapeutic candidates and supporting client objectives. Morelli's leadership ensures adherence to the highest ethical and scientific standards in clinical research.

    Joel Woods - Senior Director, Information Technology & Strategic Planning

    Joel Woods, the Senior Director, Information Technology & Strategic Planning at Altasciences, directs the company's technology infrastructure and strategic planning initiatives. Woods oversees the implementation and management of IT systems that support all operational functions, including preclinical and clinical services, manufacturing, and analytical capabilities. This leadership role is crucial for ensuring data security, system efficiency, and the integration of advanced technological solutions within the company's bioanalytical and CRO operations. By driving IT strategy, Joel Woods enhances Altasciences' operational capacity and supports its long-term growth objectives. The Senior Director's focus on strategic planning ensures that technology investments align with the company's overall business goals and market demands.

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    Frequently Asked Questions Regarding Altasciences Top Executives and Leadership Team

    Who leads Altasciences?
    Altasciences is led by Marie-Helene Raigneau (Chief Executive Officer), along with executives such as Robert Sabelli (Co-Chief Operating Officer) and Steven Mason (Co-Chief Operating Officer).
    Who is part of Altasciences’s executive team?
    The executive team of Altasciences includes leaders such as Marie-Helene Raigneau (Chief Executive Officer), Robert Sabelli (Co-Chief Operating Officer), Steven Mason (Co-Chief Operating Officer) and other senior executives.
    How many executives does Altasciences have?
    Altasciences has 9 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, Co-Chief Operating Officer, President and CSO, President.