NAMSA Executive and Leadership Team

June, 2026

Leadership Overview

NAMSA has 8 executives leading key functions including strategy, finance, operations, human resources, business development, medical affairs, and laboratory services.

Driving medical device innovation, NAMSA accelerates product development through integrated laboratory, clinical research, and regulatory and reimbursement consulting services, solidifying its market leadership since 1967.

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
  • Lead Business Development Executive & Chief Revenue Officer - Andrew Suri
  • Senior Global Business Development Executive & Chief Revenue Officer - Alexa Liantonio
  • Chief Medical Officer, At Namsa - 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 of the organization. De Klerk guides NAMSA's mission to accelerate medical device product development, leveraging integrated laboratory, clinical research, and regulatory and reimbursement consulting services. This leadership role involves setting the long-term vision and ensuring the company's continued growth and market impact. Christiaan De Klerk's strategic direction ensures NAMSA remains at the forefront of the Medical Research Organization (MRO) sector, fostering innovation and client success. The executive's focus extends to maintaining the company's robust operational framework and its commitment to advancing healthcare solutions globally. Overseeing all facets of the business, De Klerk drives the company's expansion and its dedication to client-centric service delivery.
    Christiaan De Klerk

    Scott Sellick - Chief Financial Officer

    Scott Sellick, the Chief Financial Officer at NAMSA, manages all financial operations and strategic financial planning. Sellick oversees budgeting, forecasting, and financial reporting, ensuring the fiscal health and stability of the organization. This role is critical in supporting NAMSA's mission to accelerate medical device development by providing robust financial oversight. Scott Sellick's expertise guides investment decisions and resource allocation across laboratory, clinical research, and consulting services. The Chief Financial Officer ensures compliance with financial regulations and drives initiatives to optimize profitability and shareholder value. By meticulously managing financial resources, Sellick enables the company to expand its service offerings and geographic reach. This leadership position is fundamental to sustaining NAMSA's growth trajectory and its commitment to delivering exceptional client outcomes.

    Elizabeth Kempen - Chief Operating Officer

    Elizabeth Kempen, the Chief Operating Officer at NAMSA, directs the operational execution of the company's integrated services. Kempen oversees the day-to-day management of laboratory, clinical research, and consulting divisions, ensuring seamless service delivery and operational efficiency. This critical role supports NAMSA's objective of accelerating medical device product development by optimizing workflows and resource utilization. Elizabeth Kempen's leadership focuses on enhancing operational capabilities to meet client demands and regulatory requirements. The Chief Operating Officer drives process improvements and implements best practices across all operational units. By ensuring efficient and effective operations, Kempen directly contributes to NAMSA's reputation for reliability and excellence. This executive's purview includes managing the complex interplay of services that facilitate rapid product advancement for medical device innovators.

    Gina Skolmowski - Global Division President, Laboratory Services

    Gina Skolmowski, the Global Division President, Laboratory Services at NAMSA, leads the strategic direction and operational oversight of NAMSA's global laboratory services. Skolmowski ensures the delivery of high-quality, integrated laboratory testing that supports medical device product development and regulatory compliance. This leadership position is critical for maintaining NAMSA's reputation as a premier Medical Research Organization (MRO). Gina Skolmowski's purview includes driving innovation within laboratory services, optimizing testing protocols, and managing a global team of scientific experts. The Global Division President works to enhance service capabilities and expand the scope of laboratory offerings to meet evolving industry needs. By focusing on operational excellence and scientific rigor, Skolmowski directly contributes to accelerating client product timelines and ensuring market readiness. This executive's leadership is vital for the success of NAMSA's core laboratory functions.

    Roseanne Sawyer - Chief Human Resources Officer

    Roseanne Sawyer, the Chief Human Resources Officer at NAMSA, leads all human capital strategies and initiatives. Sawyer is responsible for talent acquisition, employee development, and fostering a positive organizational culture that supports NAMSA's mission. This role is vital in attracting and retaining the specialized talent required for medical device research and development services. Roseanne Sawyer's strategic approach to HR ensures that NAMSA's workforce is equipped to deliver exceptional laboratory, clinical research, and consulting expertise. The Chief Human Resources Officer champions employee engagement and oversees compensation and benefits programs. By cultivating a high-performing team, Sawyer directly contributes to the company's ability to innovate and serve its clients effectively. This leadership function is essential for maintaining NAMSA's competitive edge in the MRO industry.

    Andrew Suri - Lead Business Development Executive & Chief Revenue Officer

    Andrew Suri, the Lead Business Development Executive & Chief Revenue Officer at NAMSA, drives revenue growth and expands market presence. Suri leads strategic business development efforts, identifying new opportunities and cultivating client relationships across the medical device industry. This role is pivotal in translating NAMSA's comprehensive service offerings into tangible revenue streams. Andrew Suri's focus includes overseeing sales strategies and ensuring alignment with the company's mission to accelerate product development. The Chief Revenue Officer works closely with other executive leaders to achieve financial targets and market penetration goals. By spearheading revenue-generating initiatives, Suri directly impacts NAMSA's capacity for innovation and service expansion. This executive's leadership is crucial for securing new business and fostering long-term partnerships.

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

    Alexa Liantonio, the Senior Global Business Development Executive & Chief Revenue Officer at NAMSA, spearheads global revenue generation and market expansion initiatives. Liantonio directs international business development strategies, forging key partnerships and driving sales growth across diverse geographic regions. This position is essential for extending NAMSA's reach and impact in accelerating medical device product development worldwide. Alexa Liantonio's expertise in global markets ensures the effective deployment of sales and business development resources. The Chief Revenue Officer collaborates with executive teams to set ambitious revenue targets and execute strategies for achieving them. By leading global commercial efforts, Liantonio significantly contributes to NAMSA's sustained growth and its mission to serve a worldwide client base. This executive's role is fundamental to expanding the company's international footprint and market leadership.
    Alexa Liantonio

    Adam Saltman - Chief Medical Officer, At Namsa

    Adam Saltman, the Chief Medical Officer, At Namsa at NAMSA, provides critical medical and scientific leadership to guide product development strategies. Saltman offers expert insights into clinical pathways, regulatory requirements, and the medical implications of device innovation, ensuring NAMSA's services align with healthcare needs. This role is essential for bridging the gap between scientific research and clinical application in the medical device sector. Adam Saltman's expertise informs the company's approach to clinical research and regulatory consulting, enhancing the value delivered to clients. The Chief Medical Officer collaborates with cross-functional teams to ensure the scientific integrity and clinical relevance of NAMSA's projects. By offering strategic medical guidance, Saltman directly supports the acceleration of safe and effective medical device introductions to the market. This executive's contribution is paramount to NAMSA's mission of advancing healthcare through rigorous research.
    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 8 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.