Merck Executive and Leadership Team

July, 2026

Leadership Overview

Merck has 10 executives leading key functions including strategy, marketing, finance, technology, and operations.

Driven by a commitment to innovation, Merck delivers groundbreaking solutions across prescription medicines, biologic therapies, vaccines, and animal health products, shaping global healthcare.

Leadership Roles at Merck

  • Chief Financial Officer & Member of Board Executive - Rungrawee Selananda
  • Head Chief Financial Officer, Country Services - Gimena Otero
  • Chief of Staff - Hoi Ki Wong
  • Chief Marketing Officer, LATAM & Procurement Analyst - Jocasta Thiele
  • Specialist, Business Consulting. Chief Technology Officer Office Strategy Execution - Rebecca Lau
  • Senior Product Analyst & Associate Product Manager & Chief Technology Officer, Mrl-Information Technology Ctm- Product Management - Nikhil Meledath
  • Network Director, Operations & Chief Marketing Officer - Luis Ducharne
  • HR Manufacturing Chief of Staff - Allison Shaner
  • Research Director, Financial Planning Analysis & Division Development IT & Technology Office Chief & Chief Technology Officer - Hande Altunay
  • Global Supply Chain Management Chief of Staff - Rashid Beyah
  • Rungrawee Selananda - Chief Financial Officer & Member of Board Executive

    Rungrawee Selananda, the Chief Financial Officer & Member of Board Executive at Merck, directs the company's comprehensive financial strategy and operations. This critical role involves overseeing all fiscal activities, including financial planning, reporting, and investment management, ensuring the robust financial health necessary to support Merck's global healthcare initiatives. Rungrawee Selananda's responsibilities extend to guiding strategic financial decisions that enable the development and delivery of innovative prescription medicines, biologic therapies, vaccines, and animal health products. As a Member of the Board Executive, Selananda provides crucial financial insights that inform high-level corporate governance and long-term strategic planning. The focus is on maximizing shareholder value while upholding Merck's commitment to scientific advancement and patient well-being. Through meticulous financial oversight and strategic guidance, Rungrawee Selananda ensures sustainable growth and operational excellence across all business segments.

    Gimena Otero - Head Chief Financial Officer, Country Services

    Gimena Otero, the Head Chief Financial Officer, Country Services at Merck, manages financial operations and strategic planning for country-specific services. This role is crucial for ensuring the financial viability and operational efficiency of Merck's presence in various global markets, supporting the delivery of its innovative healthcare products. Gimena Otero oversees budgeting, financial reporting, and resource allocation at a regional level, ensuring alignment with the company's broader financial objectives and its mission to provide prescription medicines, biologic therapies, and vaccines. The focus is on optimizing financial performance within diverse market landscapes and ensuring compliance with local regulations. By providing expert financial leadership at the country level, Otero directly contributes to Merck's ability to expand access to its life-saving treatments and animal health products worldwide. This position requires a deep understanding of international finance and regional market dynamics.

    Hoi Ki Wong - Chief of Staff

    Hoi Ki Wong, the Chief of Staff at Merck, directs strategic initiatives and operational efficiency across key departments. This role involves aligning departmental objectives with the overarching corporate mission of delivering innovative healthcare solutions. Hoi Ki Wong ensures seamless execution of high-priority projects, facilitating communication between executive leadership and various functional teams. The focus remains on optimizing resource allocation and driving forward Merck's commitment to prescription medicines, biologic therapies, vaccines, and animal health products. By managing critical workflows and supporting executive decision-making, Hoi Ki Wong directly contributes to the company's market impact and its mission to improve global health outcomes. This leadership position requires a deep understanding of Merck's diverse business segments and a proactive approach to problem-solving, ensuring that strategic goals translate into tangible results across the organization.

    Jocasta Thiele - Chief Marketing Officer, LATAM & Procurement Analyst

    Jocasta Thiele, the Chief Marketing Officer, LATAM & Procurement Analyst at Merck, spearheads marketing strategies and procurement analysis for the Latin American region. This dual role demands expertise in both driving market penetration for Merck's innovative healthcare solutions and optimizing the procurement of essential resources. Jocasta Thiele oversees the development and execution of targeted marketing campaigns that resonate with diverse regional audiences, ensuring the effective delivery of prescription medicines, biologic therapies, and vaccines. Simultaneously, the procurement analysis function ensures cost-effectiveness and supply chain integrity for critical operational needs. By integrating market insights with strategic sourcing, Jocasta Thiele enhances Merck's competitive positioning and operational resilience in a dynamic global market. This leadership ensures that regional marketing efforts align with global brand objectives while procurement activities support overall financial health and product availability.

    Rebecca Lau - Specialist, Business Consulting. Chief Technology Officer Office Strategy Execution

    Rebecca Lau, the Specialist, Business Consulting. Chief Technology Officer Office Strategy Execution at Merck, drives the implementation of strategic technology initiatives. This role focuses on translating the Chief Technology Officer's vision into actionable plans that enhance Merck's operational capabilities and support its mission of delivering innovative healthcare solutions. Rebecca Lau works closely with technology teams and business units to ensure that strategy execution aligns with corporate objectives, particularly in areas like prescription medicines, biologic therapies, and vaccines. The emphasis is on optimizing technology deployment for maximum impact on research, development, and market access. By bridging the gap between strategic planning and operational execution within the CTO's office, Lau ensures that technology investments yield significant returns and contribute to Merck's overall growth and leadership in the global healthcare sector. This position is vital for maintaining technological competitiveness and driving efficiency.

    Nikhil Meledath - Senior Product Analyst & Associate Product Manager & Chief Technology Officer, Mrl-Information Technology Ctm- Product Management

    Nikhil Meledath, the Senior Product Analyst & Associate Product Manager & Chief Technology Officer, Mrl-Information Technology Ctm- Product Management at Merck, leads product strategy and execution within the information technology and product management domains. This multifaceted role involves analyzing product performance, managing product lifecycles, and overseeing technology roadmaps to support Merck's diverse portfolio of healthcare solutions. Nikhil Meledath focuses on leveraging technology to enhance the delivery of prescription medicines, biologic therapies, and vaccines, ensuring products meet market demands and regulatory standards. The integration of product management principles with technology leadership drives innovation and operational efficiency. By meticulously analyzing product data and managing development pipelines, Meledath ensures that Merck's IT and product offerings remain at the forefront of the industry, contributing directly to the company's mission of advancing global health. This comprehensive approach guarantees alignment between technological capabilities and market needs.

    Luis Ducharne - Network Director, Operations & Chief Marketing Officer

    Luis Ducharne, the Network Director, Operations & Chief Marketing Officer at Merck, drives operational excellence and marketing strategy across the company's network. This dual responsibility ensures that Merck's global operations are efficient and that its innovative healthcare solutions effectively reach target markets. Luis Ducharne oversees the strategic deployment of resources and the optimization of supply chains for prescription medicines, biologic therapies, and vaccines, while simultaneously leading marketing initiatives that enhance brand visibility and market penetration. The integration of operational insights with marketing objectives allows for a cohesive approach to business development and customer engagement. By ensuring seamless network operations and impactful marketing campaigns, Ducharne directly supports Merck's mission to improve global health outcomes and expand access to its vital products. This leadership role is pivotal in translating corporate strategy into tangible market success.

    Allison Shaner - HR Manufacturing Chief of Staff

    Allison Shaner, the HR Manufacturing Chief of Staff at Merck, directs human resources strategy and operational support within the manufacturing division. This role is essential for ensuring that Merck's manufacturing facilities are staffed with skilled professionals and operate with optimal efficiency to produce critical healthcare products. Allison Shaner focuses on talent acquisition, development, and retention strategies tailored to the unique demands of pharmaceutical manufacturing, supporting the production of prescription medicines, biologic therapies, and vaccines. The position involves close collaboration with manufacturing leadership to align HR initiatives with production goals and regulatory compliance. By fostering a high-performing workforce and ensuring robust HR infrastructure, Shaner directly contributes to Merck's ability to reliably deliver life-saving treatments and maintain its leadership in the global healthcare industry. This ensures operational continuity and employee engagement.

    Hande Altunay - Research Director, Financial Planning Analysis & Division Development IT & Technology Office Chief & Chief Technology Officer

    Hande Altunay, the Research Director, Financial Planning Analysis & Division Development IT & Technology Office Chief & Chief Technology Officer at Merck, leads strategic technology initiatives and financial planning for IT development. This comprehensive role ensures that Merck's technological infrastructure and investments effectively support its research and development pipeline, including innovative prescription medicines, biologic therapies, and vaccines. Hande Altunay oversees financial analysis for technology projects, guiding resource allocation to maximize impact and drive division development. As Chief Technology Officer, Altunay sets the vision for technological advancement, ensuring Merck remains at the forefront of scientific innovation. By integrating financial acumen with technological leadership, Altunay drives efficiency, supports groundbreaking research, and enhances Merck's capacity to deliver essential healthcare solutions globally. This position is critical for future growth and competitive advantage.

    Rashid Beyah - Global Supply Chain Management Chief of Staff

    Rashid Beyah, the Global Supply Chain Management Chief of Staff at Merck, optimizes the efficiency and resilience of Merck's worldwide supply chain operations. This critical role ensures the seamless flow of materials and products, supporting the consistent delivery of prescription medicines, biologic therapies, vaccines, and animal health products to global markets. Rashid Beyah works to enhance logistical strategies, manage inventory, and mitigate risks across the supply network, ensuring product integrity and timely availability. The focus is on driving operational excellence and cost-effectiveness throughout the supply chain, directly impacting Merck's ability to meet patient needs and market demands. By providing strategic support and operational oversight, Beyah plays a vital part in maintaining Merck's reputation for reliability and its commitment to advancing global health through innovative healthcare solutions. This leadership ensures robust operational continuity.

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    Frequently Asked Questions Regarding Merck Top Executives and Leadership Team

    Who leads Merck?
    Merck is led by Rungrawee Selananda (Chief Financial Officer & Member of Board Executive), along with executives such as Gimena Otero (Head Chief Financial Officer, Country Services) and Hoi Ki Wong (Chief of Staff).
    Who is part of Merck’s executive team?
    The executive team of Merck includes leaders such as Rungrawee Selananda (Chief Financial Officer & Member of Board Executive), Gimena Otero (Head Chief Financial Officer, Country Services), Hoi Ki Wong (Chief of Staff) and other senior executives.
    How many executives does Merck have?
    Merck has 10 executives leading key business areas.
    What roles are included in Merck’s leadership team?
    The leadership team of Merck includes roles such as Chief Financial Officer & Member of Board Executive, Head Chief Financial Officer, Country Services, Chief of Staff, Chief Marketing Officer, LATAM & Procurement Analyst, Specialist, Business Consulting. Chief Technology Officer Office Strategy Execution.