GSK Executive and Leadership Team

October, 2026

Leadership Overview

GSK has 10 executives leading key functions including financial oversight, regional market strategy, quality assurance, supply chain management, and vaccine logistics.

Focused on advancing global health through innovative biopharmaceutical research, GSK delivers essential medicines and vaccines to patients worldwide while maintaining a robust commitment to scientific excellence and sustainable healthcare access.

Leadership Roles at GSK

  • Chief Financial Officer & Director, Finance (Pakistan) - Hasham Baber
  • Chief Financial Officer (India) & Whole-Time Director - Ronojit Biswas
  • Chief of Staff To Vice President Finance and Chief Financial Officer US - Lillian Truesdell
  • Chief Financial Officer (Morocco, Tunisia) - Redouane Tazi
  • Site Lead Finance Site Partner & Chief Financial Officer - Gregory Naugle
  • Manager, Quality Assurance Analytical & Chief Marketing Officer - Oleg Abramov
  • Supply & Business Executive & Chief Marketing Officer (Asia Pacific) - Soke Ng
  • Chief Marketing Officer, Vaccine Customer Service & Logistics Lead Gulf - Sheza Fatima
  • Chief of Staff, Vaccines - Penelope Kaltzis
  • Director, Strategy & Chief of Staff - Joyce Bi
  • Hasham Baber - Chief Financial Officer & Director, Finance (Pakistan)

    Hasham Baber, the Chief Financial Officer & Director, Finance (Pakistan) at GSK, manages all fiscal operations and financial reporting requirements within the regional market. Baber directs capital allocation strategies to ensure alignment with global biopharmaceutical objectives while maintaining strict regulatory compliance. By overseeing local budgetary frameworks, the Chief Financial Officer & Director, Finance (Pakistan) optimizes resource distribution to support the manufacturing and commercialization of innovative medicines. Hasham Baber monitors economic indicators to mitigate financial risks, ensuring the stability of regional operations. This leadership role involves close collaboration with international finance teams to standardize reporting protocols. Through rigorous oversight of financial performance, Baber drives sustainable growth and operational efficiency across the Pakistan market, ultimately securing the necessary capital to advance the company's mission of addressing significant diseases through high-quality pharmaceutical products.

    Ronojit Biswas - Chief Financial Officer (India) & Whole-Time Director

    Ronojit Biswas, the Chief Financial Officer (India) & Whole-Time Director at GSK, governs the financial health and strategic investment initiatives for the Indian market. Biswas architects comprehensive fiscal policies that support the development and distribution of vaccines and specialty healthcare products. As the Chief Financial Officer (India) & Whole-Time Director, Biswas ensures that all financial activities adhere to both local statutory requirements and global corporate standards. This position involves managing complex tax structures and capital expenditure programs to facilitate the expansion of research and development capabilities. Ronojit Biswas evaluates market trends to inform long-term financial planning, directly impacting the company's ability to serve healthcare professionals and hospitals effectively. By maintaining fiscal discipline and transparency, Biswas supports the broader organizational goal of delivering life-saving treatments to diverse patient populations across the region.

    Lillian Truesdell - Chief of Staff To Vice President Finance and Chief Financial Officer US

    Lillian Truesdell, the Chief of Staff To Vice President Finance and Chief Financial Officer US at GSK, coordinates strategic initiatives and operational workflows within the North American finance division. Truesdell facilitates communication between the executive leadership and departmental teams to ensure the seamless execution of financial objectives. As the Chief of Staff To Vice President Finance and Chief Financial Officer US, Truesdell manages high-priority projects related to budget planning, resource allocation, and financial performance analysis. This role involves synthesizing complex data to support the Chief Financial Officer in making informed decisions regarding the commercialization of innovative medicines. Lillian Truesdell monitors the progress of key financial milestones, ensuring alignment with the company's broader mission of addressing significant diseases. By streamlining administrative processes and fostering cross-functional collaboration, Truesdell enhances the efficiency of the finance organization, ultimately supporting the company's long-term growth and stability in the US market.

    Redouane Tazi - Chief Financial Officer (Morocco, Tunisia)

    Redouane Tazi, the Chief Financial Officer (Morocco, Tunisia) at GSK, governs all financial operations and fiscal planning for the North African market. Tazi directs the implementation of financial controls and reporting systems to ensure compliance with both local regulations and global corporate standards. As the Chief Financial Officer (Morocco, Tunisia), Tazi manages capital budgeting and investment strategies that support the distribution of prescription medicines and vaccines. This role involves analyzing regional economic conditions to mitigate financial risks and optimize operational costs. Redouane Tazi collaborates with local management teams to align financial performance with the company's overarching mission of delivering innovative healthcare solutions. By maintaining rigorous oversight of fiscal health, Tazi ensures the sustainability of regional operations. This leadership position is essential for driving growth and maintaining the company's market presence in Morocco and Tunisia, ultimately supporting the delivery of essential pharmaceutical products to patients.

    Gregory Naugle - Site Lead Finance Site Partner & Chief Financial Officer

    Gregory Naugle, the Site Lead Finance Site Partner & Chief Financial Officer at GSK, manages the financial operations and strategic site-level planning for key manufacturing and research facilities. Naugle directs the allocation of resources to support the development and manufacturing of innovative medicines. As the Site Lead Finance Site Partner & Chief Financial Officer, Naugle ensures that site-specific financial performance aligns with the company's global biopharmaceutical objectives. This role involves overseeing cost management, capital investments, and operational efficiency initiatives within the facility. Gregory Naugle collaborates with site leadership to optimize production workflows and maintain fiscal discipline. By providing financial insights and strategic guidance, Naugle supports the continuous improvement of manufacturing processes. This leadership position ensures that the facility operates effectively to meet global demand for high-quality pharmaceutical products, ultimately contributing to the company's mission of addressing significant diseases through scientific innovation.

    Oleg Abramov - Manager, Quality Assurance Analytical & Chief Marketing Officer

    Oleg Abramov, the Manager, Quality Assurance Analytical & Chief Marketing Officer at GSK, integrates rigorous scientific standards with commercial market strategies. Abramov oversees the analytical validation processes for pharmaceutical products, ensuring every medicine meets stringent safety and efficacy benchmarks. Simultaneously, the Chief Marketing Officer drives the commercialization strategy for specialty healthcare products, focusing on market penetration and brand positioning. By bridging the gap between technical quality assurance and customer-facing marketing, Abramov ensures that product messaging remains grounded in clinical data. Oleg Abramov coordinates with research institutions to communicate the value of innovative therapies to healthcare providers. This dual-focus role requires balancing technical precision with dynamic market engagement. Through the implementation of robust quality control measures and targeted promotional campaigns, Abramov enhances the company's reputation for reliability and scientific leadership in the global biopharmaceutical sector.

    Soke Ng - Supply & Business Executive & Chief Marketing Officer (Asia Pacific)

    Soke Ng, the Supply & Business Executive & Chief Marketing Officer (Asia Pacific) at GSK, directs the end-to-end supply chain and commercial growth strategies across the Asia Pacific region. Ng manages the complex logistics required to distribute vaccines and prescription medicines to diverse healthcare systems. As the Supply & Business Executive & Chief Marketing Officer (Asia Pacific), Ng optimizes inventory management and distribution networks to ensure consistent product availability. This role involves analyzing regional market demand to tailor commercial strategies that increase the adoption of specialty healthcare products. Soke Ng collaborates with local governments and public health organizations to address regional disease burdens through strategic partnerships. By streamlining supply operations and executing effective marketing initiatives, Ng drives revenue growth and improves patient access to essential treatments. This leadership position ensures that the company maintains a competitive edge in the rapidly evolving Asia Pacific pharmaceutical landscape.

    Sheza Fatima - Chief Marketing Officer, Vaccine Customer Service & Logistics Lead Gulf

    Sheza Fatima, the Chief Marketing Officer, Vaccine Customer Service & Logistics Lead Gulf at GSK, manages the commercial strategy and distribution logistics for vaccines across the Gulf region. Fatima directs customer service initiatives to ensure healthcare professionals receive timely support and product information. As the Chief Marketing Officer, Vaccine Customer Service & Logistics Lead Gulf, Fatima oversees the supply chain operations that facilitate the delivery of critical immunization products to hospitals and public health organizations. This role involves developing targeted marketing campaigns that highlight the clinical benefits of the company's vaccine portfolio. Sheza Fatima coordinates with regional stakeholders to improve vaccine uptake and public health outcomes. By integrating customer service excellence with efficient logistics management, Fatima ensures the reliable availability of life-saving products. This leadership position directly impacts the company's ability to address regional health challenges through effective commercial and operational execution.
    Sheza Fatima

    Penelope Kaltzis - Chief of Staff, Vaccines

    Penelope Kaltzis, the Chief of Staff, Vaccines at GSK, coordinates the strategic operations and cross-functional initiatives within the global vaccine division. Kaltzis facilitates the execution of high-priority projects related to vaccine development, manufacturing, and commercialization. As the Chief of Staff, Vaccines, Kaltzis manages communication flows between the leadership team and various departments to ensure alignment with the company's public health mission. This role involves synthesizing complex information to support decision-making processes regarding the vaccine portfolio. Penelope Kaltzis monitors the progress of key milestones and ensures that resources are effectively deployed to address significant diseases. By streamlining administrative and operational processes, Kaltzis enhances the efficiency of the vaccine division. This leadership position is critical for maintaining the company's position as a global leader in immunization, ultimately supporting the delivery of life-saving vaccines to patients and public health organizations worldwide.

    Joyce Bi - Director, Strategy & Chief of Staff

    Joyce Bi, the Director, Strategy & Chief of Staff at GSK, architects long-term strategic plans and manages executive-level operations to drive the company's biopharmaceutical mission. Bi oversees the development of initiatives that guide the discovery, manufacturing, and commercialization of innovative medicines. As the Director, Strategy & Chief of Staff, Bi facilitates cross-functional collaboration to ensure that organizational goals remain aligned with market needs and scientific advancements. This role involves analyzing industry trends to inform strategic decision-making and resource allocation. Joyce Bi coordinates with the C-suite to implement policies that enhance operational efficiency and support the company's commitment to addressing significant diseases. By streamlining executive workflows and providing strategic oversight, Bi ensures the effective execution of the company's vision. This leadership position is essential for maintaining the company's competitive edge and fostering a culture of innovation across the global pharmaceutical organization.

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    Frequently Asked Questions Regarding GSK Top Executives and Leadership Team

    Who leads GSK?
    GSK is led by Hasham Baber (Chief Financial Officer & Director, Finance (Pakistan)), along with executives such as Ronojit Biswas (Chief Financial Officer (India) & Whole-Time Director) and Lillian Truesdell (Chief of Staff To Vice President Finance and Chief Financial Officer US).
    Who is part of GSK’s executive team?
    The executive team of GSK includes leaders such as Hasham Baber (Chief Financial Officer & Director, Finance (Pakistan)), Ronojit Biswas (Chief Financial Officer (India) & Whole-Time Director), Lillian Truesdell (Chief of Staff To Vice President Finance and Chief Financial Officer US) and other senior executives.
    How many executives does GSK have?
    GSK has 10 executives leading key business areas.
    What roles are included in GSK’s leadership team?
    The leadership team of GSK includes roles such as Chief Financial Officer & Director, Finance (Pakistan), Chief Financial Officer (India) & Whole-Time Director, Chief of Staff To Vice President Finance and Chief Financial Officer US, Chief Financial Officer (Morocco, Tunisia), Site Lead Finance Site Partner & Chief Financial Officer.