Thermo Fisher Scientific Executive and Leadership Team

November, 2026

Leadership Overview

Thermo Fisher Scientific has 10 executives leading key functions including corporate strategy, human capital management, revenue generation, regional financial oversight, scientific research, and legal compliance.

Committed to enabling a healthier, cleaner, and safer world, Thermo Fisher Scientific delivers advanced laboratory solutions and analytical instruments that accelerate life sciences research and pharmaceutical development on a global scale.

Leadership Roles at Thermo Fisher Scientific

  • Chairman & Chief Executive Officer - Marc Casper
  • Regional Chief Financial Officer (South, East, Asia, Taiwan) - Vikas Rathi
  • Chief Financial Officer (Japan) - Kiyoko Takeda
  • President, Transplant Diagnostics Division - Tina Liedtky
  • Group President, Commercial Operations Clinical Research - Michael Kleppinger
  • Senior VP & Chief Human Resources Officer - Lisa Britt
  • Executive Account Director & Chief Revenue Officer, Business Development - Myers Beaird
  • Scientist III and Senior Scientist-Client Facing Chief Revenue Officer Environment - Shreyas Deo
  • Vice President and Chief Medical Officer, CorEvitas Registries and Precision Medicine - Jeffrey Greenberg
  • Senior VP & General Counsel - Michael Boxer
  • Marc Casper - Chairman & Chief Executive Officer

    Marc Casper, the Chairman & Chief Executive Officer at Thermo Fisher Scientific, directs the overarching corporate strategy and long-term vision for the organization. Overseeing the integration of laboratory equipment, analytical instruments, and research services, the Chairman & Chief Executive Officer ensures alignment across all global business units. This leadership role involves driving operational excellence to support pharmaceutical development and healthcare diagnostics. By fostering a culture of innovation, Marc Casper directly impacts the company's ability to improve lab productivity for customers worldwide. The Chairman & Chief Executive Officer maintains constant engagement with the Board to refine market positioning and capital allocation. Through rigorous focus on growth and efficiency, Casper secures the competitive advantage of the firm within the life sciences sector, ensuring that the enterprise remains at the forefront of scientific advancement and medical discovery.
    Marc Casper

    Vikas Rathi - Regional Chief Financial Officer (South, East, Asia, Taiwan)

    Vikas Rathi, the Regional Chief Financial Officer (South, East, Asia, Taiwan) at Thermo Fisher Scientific, manages financial planning, reporting, and fiscal compliance across critical Asian markets. Overseeing regional budget allocation and capital investment, the Regional Chief Financial Officer (South, East, Asia, Taiwan) ensures that local operations maintain profitability while supporting the broader corporate mission. This leadership role involves mitigating financial risks and optimizing resource distribution to facilitate the delivery of laboratory equipment and diagnostics. By analyzing regional market trends, Vikas Rathi directly impacts the efficiency of the supply chain and service delivery in the territory. The Regional Chief Financial Officer (South, East, Asia, Taiwan) collaborates with global finance teams to ensure consistency in reporting and strategic alignment. Through disciplined financial oversight, Rathi supports the expansion of the company in high-growth regions, ensuring that local business units contribute effectively to the overall success of the enterprise.

    Kiyoko Takeda - Chief Financial Officer (Japan)

    Kiyoko Takeda, the Chief Financial Officer (Japan) at Thermo Fisher Scientific, directs all financial operations and fiscal strategy within the Japanese market. Overseeing local accounting, tax compliance, and financial forecasting, the Chief Financial Officer (Japan) ensures that the company maintains a strong economic foundation to support its research and diagnostic services. This leadership role involves managing local capital expenditures and ensuring that financial performance aligns with corporate objectives. By streamlining financial workflows, Kiyoko Takeda directly impacts the operational agility of the firm in a highly competitive market. The Chief Financial Officer (Japan) works closely with regional leadership to identify cost-saving opportunities and revenue growth drivers. Through meticulous financial management and strategic planning, Takeda ensures that the Japanese division remains a profitable and stable contributor to the global organization, facilitating the continued provision of essential laboratory tools and analytical instruments to local scientific communities.

    Tina Liedtky - President, Transplant Diagnostics Division

    Tina Liedtky, the President, Transplant Diagnostics Division at Thermo Fisher Scientific, leads the strategic direction and operational execution of the transplant diagnostics business unit. Overseeing product development and market delivery of specialized diagnostic tools, the President, Transplant Diagnostics Division ensures that healthcare providers receive accurate and timely data for patient care. This leadership role involves managing the lifecycle of diagnostic solutions and expanding the reach of the division into new clinical markets. By prioritizing innovation in transplant medicine, Tina Liedtky directly impacts the quality of patient outcomes and lab productivity. The President, Transplant Diagnostics Division coordinates with research and development teams to advance the diagnostic capabilities of the firm. Through a commitment to clinical excellence and operational efficiency, Liedtky drives the growth of the division, ensuring that the company remains a trusted provider of critical diagnostic services within the global healthcare landscape.
    Tina Liedtky

    Michael Kleppinger - Group President, Commercial Operations Clinical Research

    Michael Kleppinger, the Group President, Commercial Operations Clinical Research at Thermo Fisher Scientific, directs the commercial strategy and operational execution for clinical research services. Overseeing the delivery of research support to pharmaceutical and biotech clients, the Group President, Commercial Operations Clinical Research ensures that clinical trials and development programs proceed with maximum efficiency. This leadership role involves managing large-scale commercial operations and aligning service delivery with the evolving needs of the global research community. By optimizing the commercial framework, Michael Kleppinger directly impacts the speed and success of drug development pipelines. The Group President, Commercial Operations Clinical Research works with cross-functional leaders to integrate laboratory services and analytical support into a cohesive client offering. Through a focus on operational excellence and market responsiveness, Kleppinger drives the growth of the clinical research business, reinforcing the role of the firm as a vital partner in the pharmaceutical industry.

    Lisa Britt - Senior VP & Chief Human Resources Officer

    Lisa Britt, the Senior VP & Chief Human Resources Officer at Thermo Fisher Scientific, architects the global talent strategy and organizational development initiatives. Overseeing workforce planning and employee engagement, the Senior VP & Chief Human Resources Officer ensures that the company attracts and retains top-tier scientific and technical talent. This leadership role involves aligning human capital programs with the broader mission of supporting healthcare and pharmaceutical research. By implementing robust performance management systems, Lisa Britt directly impacts the operational capacity of the firm. The Senior VP & Chief Human Resources Officer collaborates with executive leadership to cultivate an inclusive culture that drives productivity and innovation. Through strategic investment in professional development and leadership training, Britt strengthens the internal capabilities required to maintain market leadership in the complex life sciences industry, ultimately fostering a high-performance environment across all international operations.
    Lisa Britt

    Myers Beaird - Executive Account Director & Chief Revenue Officer, Business Development

    Myers Beaird, the Executive Account Director & Chief Revenue Officer, Business Development at Thermo Fisher Scientific, drives revenue growth through strategic partnerships and client acquisition. Overseeing business development pipelines, the Executive Account Director & Chief Revenue Officer, Business Development ensures that analytical instruments and research services reach key pharmaceutical and healthcare markets. This leadership role involves identifying new commercial opportunities and expanding the footprint of the company within the life sciences ecosystem. By optimizing sales processes and account management, Myers Beaird directly impacts the financial performance of the organization. The Executive Account Director & Chief Revenue Officer, Business Development coordinates with cross-functional teams to deliver tailored solutions that improve lab productivity for diverse clients. Through persistent focus on market expansion and customer value, Beaird secures long-term revenue streams, reinforcing the position of the firm as a critical partner in global scientific research and medicine development.
    Myers Beaird

    Shreyas Deo - Scientist III and Senior Scientist-Client Facing Chief Revenue Officer Environment

    Shreyas Deo, the Scientist III and Senior Scientist-Client Facing Chief Revenue Officer Environment at Thermo Fisher Scientific, bridges the gap between technical scientific application and commercial revenue generation. Overseeing client-facing technical support, the Scientist III and Senior Scientist-Client Facing Chief Revenue Officer Environment ensures that customers effectively utilize analytical instruments and laboratory equipment to achieve research goals. This leadership role involves translating complex scientific data into actionable business value for pharmaceutical partners. By providing deep technical expertise, Shreyas Deo directly impacts the adoption rates of new technologies and services. The Scientist III and Senior Scientist-Client Facing Chief Revenue Officer Environment collaborates with sales teams to demonstrate the productivity benefits of the product portfolio. Through a focus on technical excellence and customer success, Deo drives revenue growth by ensuring that clients maximize the utility of their investments, thereby strengthening the reputation of the firm as a leader in scientific innovation.

    Jeffrey Greenberg - Vice President and Chief Medical Officer, CorEvitas Registries and Precision Medicine

    Jeffrey Greenberg, the Vice President and Chief Medical Officer, CorEvitas Registries and Precision Medicine at Thermo Fisher Scientific, directs the medical strategy and clinical integrity of registry-based research and precision medicine initiatives. Overseeing the application of real-world evidence, the Vice President and Chief Medical Officer, CorEvitas Registries and Precision Medicine ensures that data collection and analysis support the development of targeted therapies. This leadership role involves guiding the scientific direction of precision medicine programs to improve patient outcomes. By integrating medical expertise into research services, Jeffrey Greenberg directly impacts the efficacy of pharmaceutical development projects. The Vice President and Chief Medical Officer, CorEvitas Registries and Precision Medicine collaborates with clinical teams to ensure that all research activities meet the highest standards of medical rigor. Through strategic leadership in precision medicine, Greenberg advances the ability of the firm to provide data-driven insights that accelerate the delivery of personalized healthcare solutions.

    Michael Boxer - Senior VP & General Counsel

    Michael Boxer, the Senior VP & General Counsel at Thermo Fisher Scientific, directs the legal strategy, regulatory compliance, and corporate governance framework for the entire organization. Overseeing intellectual property protection and risk management, the Senior VP & General Counsel ensures that all business activities adhere to international legal standards. This leadership role involves navigating complex regulatory environments to support the global distribution of laboratory equipment and research services. By providing legal guidance on mergers, acquisitions, and commercial contracts, Michael Boxer directly impacts the strategic growth and stability of the firm. The Senior VP & General Counsel collaborates with the executive team to mitigate legal risks and protect the assets of the company. Through proactive legal management and ethical oversight, Boxer ensures that the enterprise operates with integrity, facilitating the continued innovation and market expansion of the firm within the highly regulated life sciences and healthcare sectors.

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    Frequently Asked Questions Regarding Thermo Fisher Scientific Top Executives and Leadership Team

    Who leads Thermo Fisher Scientific?
    Thermo Fisher Scientific is led by Marc Casper (Chairman & Chief Executive Officer), along with executives such as Vikas Rathi (Regional Chief Financial Officer (South, East, Asia, Taiwan)) and Kiyoko Takeda (Chief Financial Officer (Japan)).
    Who is part of Thermo Fisher Scientific’s executive team?
    The executive team of Thermo Fisher Scientific includes leaders such as Marc Casper (Chairman & Chief Executive Officer), Vikas Rathi (Regional Chief Financial Officer (South, East, Asia, Taiwan)), Kiyoko Takeda (Chief Financial Officer (Japan)) and other senior executives.
    How many executives does Thermo Fisher Scientific have?
    Thermo Fisher Scientific has 10 executives leading key business areas.
    What roles are included in Thermo Fisher Scientific’s leadership team?
    The leadership team of Thermo Fisher Scientific includes roles such as Chairman & Chief Executive Officer, Regional Chief Financial Officer (South, East, Asia, Taiwan), Chief Financial Officer (Japan), President, Transplant Diagnostics Division, Group President, Commercial Operations Clinical Research.