NAMSA Executive and Leadership Team

May, 2026

Leadership Overview

NAMSA has 9 executives leading key functions including strategy, finance, operations, human resources, business development, commercial, medical, and laboratory services.

Driven by a commitment to advancing healthcare, NAMSA accelerates medical device product development through integrated laboratory, clinical research, and regulatory and reimbursement consulting services, impacting global patient outcomes.

Leadership Roles at NAMSA

  • Chief Executive Officer & Owner - Christiaan De Klerk
  • Chief Financial Officer - Scott Sellick
  • Chief Operating Officer - Elizabeth Kempen
  • Global Division President, Laboratory Services - Gina Skolmowski
  • Chief Human Resources Officer - Roseanne Sawyer
  • Senior Global Business Development Executive & Chief Revenue Officer - Alexa Liantonio
  • Lead Business Development Executive & Chief Revenue Officer - Andrew Suri
  • Chief Commercial Officer - John Amat
  • Chief Medical Officer - Adam Saltman
  • Christiaan De Klerk - Chief Executive Officer & Owner

    Christiaan De Klerk, the Chief Executive Officer & Owner at NAMSA, directs the overarching strategy and ownership directives for the organization. This leadership position involves guiding NAMSA's mission to accelerate medical device product development, leveraging integrated laboratory, clinical research, and regulatory consulting services. De Klerk ensures the company's long-term vision aligns with market needs and industry advancements, fostering an environment of innovation and client success. The executive's focus extends to driving growth and maintaining NAMSA's position as a premier Medical Research Organization. Christiaan De Klerk's strategic oversight is critical to the company's sustained impact on global healthcare solutions and patient well-being. This role encompasses setting the tone for operational excellence and client-centric service delivery across all divisions. The executive's responsibilities include championing the company's founding principles and ensuring their continued relevance in a dynamic market landscape.
    Christiaan De Klerk

    Scott Sellick - Chief Financial Officer

    Scott Sellick, the Chief Financial Officer at NAMSA, manages all financial operations and strategic financial planning. This role involves overseeing budgeting, forecasting, and financial reporting to ensure the fiscal health and stability of the organization. Sellick drives financial strategies that support NAMSA's growth objectives and operational efficiency, particularly in the context of accelerating medical device product development. The executive's responsibilities include managing capital allocation, optimizing financial performance, and ensuring compliance with all financial regulations. Scott Sellick's expertise is vital for maintaining investor confidence and supporting the company's expansion into new markets and service offerings. This leadership function ensures that financial resources are effectively deployed to support integrated laboratory, clinical research, and regulatory consulting services. The CFO's guidance is essential for navigating the complex financial landscape of the medical research industry.

    Elizabeth Kempen - Chief Operating Officer

    Elizabeth Kempen, the Chief Operating Officer at NAMSA, directs the day-to-day operational execution and efficiency across the organization. This critical role ensures the seamless integration of laboratory, clinical research, and consulting services to accelerate medical device product development. Kempen oversees the optimization of operational workflows, resource allocation, and service delivery standards to meet client needs and regulatory requirements. The executive's focus is on enhancing operational performance, driving productivity, and ensuring the highest quality of service across all departments. Elizabeth Kempen's leadership is instrumental in scaling operations to support NAMSA's global reach and expanding service portfolio. This position requires a deep understanding of the medical research landscape and a commitment to operational excellence. The COO's efforts directly contribute to the timely and effective delivery of NAMSA's comprehensive solutions.

    Gina Skolmowski - Global Division President, Laboratory Services

    Gina Skolmowski, the Global Division President, Laboratory Services at NAMSA, leads the strategic direction and operational execution of all laboratory services. This critical role ensures the delivery of high-quality, integrated laboratory testing that accelerates medical device product development. Skolmowski oversees laboratory operations, quality assurance, and technological advancements to meet the evolving needs of clients and regulatory bodies. The executive's focus is on enhancing laboratory efficiency, expanding service capabilities, and maintaining NAMSA's reputation for scientific excellence. Gina Skolmowski's leadership is vital for the seamless integration of laboratory services with clinical research and consulting functions. This position requires a profound understanding of laboratory science and its application in the medical device industry. The division president's efforts are key to providing comprehensive solutions for clients.

    Roseanne Sawyer - Chief Human Resources Officer

    Roseanne Sawyer, the Chief Human Resources Officer at NAMSA, leads all human capital strategies and initiatives. This executive function is responsible for attracting, developing, and retaining top talent essential for NAMSA's mission of accelerating medical device product development. Sawyer oversees talent acquisition, employee relations, compensation and benefits, and organizational development to foster a high-performing and engaged workforce. The executive's focus includes cultivating a strong company culture that supports innovation and collaboration across laboratory, clinical research, and consulting teams. Roseanne Sawyer's strategic direction ensures that NAMSA's human resources align with its business objectives and regulatory compliance needs. This role is pivotal in building a robust team capable of delivering exceptional service and driving the company's growth. The CHRO's efforts are key to maintaining NAMSA's competitive edge through its people.

    Alexa Liantonio - Senior Global Business Development Executive & Chief Revenue Officer

    Alexa Liantonio, the Senior Global Business Development Executive & Chief Revenue Officer at NAMSA, drives revenue generation and strategic business expansion globally. This dual role focuses on identifying new market opportunities and cultivating key client relationships to accelerate medical device product development. Liantonio oversees the sales pipeline, revenue forecasting, and the execution of commercial strategies to maximize market penetration. The executive's responsibilities include leading global business development efforts and ensuring alignment between sales, marketing, and service delivery. Alexa Liantonio's leadership is critical for achieving revenue targets and expanding NAMSA's footprint in the medical research sector. This position requires a deep understanding of client needs and market dynamics to drive sustainable revenue growth. The CRO's efforts directly impact the company's financial performance and market leadership.
    Alexa Liantonio

    Andrew Suri - Lead Business Development Executive & Chief Revenue Officer

    Andrew Suri, the Lead Business Development Executive & Chief Revenue Officer at NAMSA, spearheads revenue growth and strategic market development initiatives. This executive function is dedicated to expanding NAMSA's client base and increasing revenue streams by identifying and securing new business opportunities. Suri focuses on developing and implementing effective sales strategies, managing key accounts, and fostering strong client partnerships to accelerate medical device product development. The executive's responsibilities include driving commercial success and ensuring that revenue targets are met or exceeded. Andrew Suri's leadership is essential for translating market insights into tangible business growth and reinforcing NAMSA's position as a leader in medical research services. This role requires a proactive approach to market engagement and a keen understanding of the industry's evolving needs. The CRO's contributions are vital for the company's ongoing expansion.

    John Amat - Chief Commercial Officer

    John Amat, the Chief Commercial Officer at NAMSA, directs the company's overall commercial strategy and market engagement. This leadership role is responsible for driving market share growth and ensuring the successful commercialization of NAMSA's services, which accelerate medical device product development. Amat oversees sales, marketing, and business development functions, aligning them to meet market demands and achieve revenue objectives. The executive's focus includes developing go-to-market strategies, enhancing brand presence, and fostering strong relationships with industry stakeholders. John Amat's expertise is crucial for navigating the competitive landscape and identifying new avenues for commercial success. This position requires a comprehensive understanding of market dynamics and client needs within the medical research sector. The CCO's efforts are central to expanding NAMSA's reach and impact.

    Adam Saltman - Chief Medical Officer

    Adam Saltman, the Chief Medical Officer at NAMSA, provides critical medical and scientific leadership to support the acceleration of medical device product development. This executive function ensures that all clinical research activities and regulatory consulting services adhere to the highest scientific and ethical standards. Saltman oversees the medical strategy, offering expert guidance on clinical trial design, data interpretation, and regulatory pathways. The executive's responsibilities include ensuring the scientific integrity of NAMSA's offerings and advising clients on complex medical device challenges. Adam Saltman's deep medical expertise is invaluable for enhancing the quality and impact of NAMSA's integrated services. This role is essential for bridging the gap between scientific innovation and market readiness for medical devices. The CMO's insights are fundamental to client success and patient safety.
    Adam Saltman

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    Frequently Asked Questions Regarding NAMSA Top Executives and Leadership Team

    Who leads NAMSA?
    NAMSA is led by Christiaan De Klerk (Chief Executive Officer & Owner), along with executives such as Scott Sellick (Chief Financial Officer) and Elizabeth Kempen (Chief Operating Officer).
    Who is part of NAMSA’s executive team?
    The executive team of NAMSA includes leaders such as Christiaan De Klerk (Chief Executive Officer & Owner), Scott Sellick (Chief Financial Officer), Elizabeth Kempen (Chief Operating Officer) and other senior executives.
    How many executives does NAMSA have?
    NAMSA has 9 executives leading key business areas.
    What roles are included in NAMSA’s leadership team?
    The leadership team of NAMSA includes roles such as Chief Executive Officer & Owner, Chief Financial Officer, Chief Operating Officer, Global Division President, Laboratory Services, Chief Human Resources Officer.