Pfizer Executive and Leadership Team

September, 2026

Leadership Overview

Pfizer has 10 executives leading key functions including strategy, marketing, digital operations, finance, vaccine development, and regional management.

Driven by a commitment to scientific research, Pfizer delivers breakthrough therapies and vaccines to address global health challenges while improving patient outcomes through innovative biopharmaceutical solutions.

Leadership Roles at Pfizer

  • President, Chief Executive Officer & Chairman - William Steere
  • Executive Director, Finance & Chief Financial Officer, Pfizer Ltd - Amit Agarwal
  • President & General Manager - Juan Morell
  • Manager & Chief Marketing Officer - Sahar Hasan
  • To Digital Chief of Staff & Senior VP - Ronnie Partee
  • Lead Technical Sourcer & Chief Marketing Officer, Ai Acceleration (Aia) - Jillian Rexford
  • Chief of Staff To the Chief Vaccines Officer - Aaron Wexler
  • Healthcare Executive - Mohsin Akhtar
  • Healthcare Executive - Suraj Khandekar
  • Healthcare Executive - Vikas Harit
  • William Steere - President, Chief Executive Officer & Chairman

    William Steere, the President, Chief Executive Officer & Chairman at Pfizer, directs the overarching corporate strategy and long-term vision for the global biopharmaceutical enterprise. Overseeing the entire research and development pipeline, the President, Chief Executive Officer & Chairman ensures that scientific breakthroughs translate into scalable medical solutions for patients worldwide. This leadership role involves constant engagement with the Board to maintain operational excellence and financial health. By prioritizing innovation in medicine and vaccine manufacturing, William Steere drives the company toward addressing the most significant health challenges of the modern era. The President, Chief Executive Officer & Chairman maintains a focus on expanding market reach across diverse international territories, ensuring that the organization remains at the forefront of the pharmaceutical industry. Through rigorous oversight of corporate governance and strategic resource allocation, Steere secures the future growth and stability of the entire organization.

    Amit Agarwal - Executive Director, Finance & Chief Financial Officer, Pfizer Ltd

    Amit Agarwal, the Executive Director, Finance & Chief Financial Officer, Pfizer Ltd at Pfizer, directs the financial planning, reporting, and capital allocation strategies for the regional operations. Overseeing the fiscal health of the organization, the Executive Director, Finance & Chief Financial Officer, Pfizer Ltd ensures that investments in research and development remain sustainable while maximizing shareholder value. This role involves managing complex budgetary requirements and ensuring compliance with international financial regulations. By optimizing cost structures and revenue streams, Amit Agarwal drives the financial performance necessary to support the company's ambitious medical research goals. The Executive Director, Finance & Chief Financial Officer, Pfizer Ltd collaborates with other senior leaders to assess the economic viability of new pharmaceutical projects. Through disciplined financial oversight, Agarwal secures the resources required to maintain the company's position as a leader in the global biopharmaceutical sector.

    Juan Morell - President & General Manager

    Juan Morell, the President & General Manager at Pfizer, directs the regional operations and commercial strategy for the company's business units. Overseeing the performance of the regional portfolio, the President & General Manager ensures that the organization meets its growth targets while delivering high-quality medicines to the local patient population. This leadership role involves managing the local supply chain, sales force, and regulatory interactions to maintain operational efficiency. By adapting global strategies to regional market nuances, Juan Morell drives the success of the company's biopharmaceutical offerings. The President & General Manager manages the cross-functional teams responsible for the launch and lifecycle management of key products. Through the strategic oversight of regional resources, Morell supports the company's mission to address significant health challenges. The President & General Manager ensures that the organization remains a trusted partner in the healthcare ecosystem while achieving sustainable financial results.
    Juan Morell

    Sahar Hasan - Manager & Chief Marketing Officer

    Sahar Hasan, the Manager & Chief Marketing Officer at Pfizer, architects the global brand strategy and commercial positioning for the company's diverse portfolio of medicines. Overseeing the communication of complex medical value to healthcare providers and patients, the Manager & Chief Marketing Officer ensures that innovative therapies reach the markets where medical needs remain highest. This role involves coordinating with cross-functional teams to align product launches with regional health requirements. By leveraging data-driven insights, Sahar Hasan optimizes the commercial impact of new pharmaceutical offerings. The Manager & Chief Marketing Officer manages the strategic narrative surrounding the company's commitment to health outcomes, ensuring that the brand remains synonymous with quality and scientific advancement. Through the implementation of targeted outreach programs, Hasan drives market penetration and strengthens the competitive standing of the organization within the global biopharmaceutical landscape.
    Sahar Hasan

    Ronnie Partee - To Digital Chief of Staff & Senior VP

    Ronnie Partee, the To Digital Chief of Staff & Senior VP at Pfizer, directs the integration of advanced digital technologies into the core biopharmaceutical manufacturing and research processes. Overseeing the digital transformation roadmap, the To Digital Chief of Staff & Senior VP ensures that data analytics and automation enhance the efficiency of drug discovery and supply chain operations. This leadership role involves bridging the gap between technical infrastructure and executive decision-making to accelerate the delivery of life-saving medicines. By modernizing internal systems, Ronnie Partee drives operational agility across the global enterprise. The To Digital Chief of Staff & Senior VP manages high-level projects that utilize artificial intelligence to predict health trends and optimize manufacturing output. Through the strategic application of digital tools, Partee supports the company's mission to improve health outcomes by reducing the time required to bring breakthrough therapies to the global market.

    Jillian Rexford - Lead Technical Sourcer & Chief Marketing Officer, Ai Acceleration (Aia)

    Jillian Rexford, the Lead Technical Sourcer & Chief Marketing Officer, Ai Acceleration (Aia) at Pfizer, directs the acquisition of specialized technical talent and the marketing of artificial intelligence initiatives within the research division. Overseeing the growth of the AI Acceleration unit, the Lead Technical Sourcer & Chief Marketing Officer, Ai Acceleration (Aia) ensures that the company attracts the expertise needed to pioneer new computational drug discovery methods. This role involves aligning recruitment strategies with the long-term goals of the biopharmaceutical pipeline. By promoting the company's technological capabilities, Jillian Rexford drives interest from the scientific community and potential partners. The Lead Technical Sourcer & Chief Marketing Officer, Ai Acceleration (Aia) manages the internal and external messaging regarding the impact of AI on medical advancement. Through the strategic development of the technical workforce, Rexford supports the company's commitment to delivering innovative healthcare solutions through cutting-edge computational research.

    Aaron Wexler - Chief of Staff To the Chief Vaccines Officer

    Aaron Wexler, the Chief of Staff To the Chief Vaccines Officer at Pfizer, directs the operational coordination and strategic execution of the global vaccine development programs. Overseeing the daily activities of the vaccine division, the Chief of Staff To the Chief Vaccines Officer ensures that research, clinical trials, and manufacturing timelines remain synchronized. This leadership role involves facilitating communication between scientific teams and executive leadership to expedite the delivery of critical immunization solutions. By managing the complex logistics of vaccine production, Aaron Wexler drives the company's ability to respond to urgent public health needs. The Chief of Staff To the Chief Vaccines Officer monitors the progress of ongoing clinical studies and ensures that all milestones align with the company's broader mission of improving global health outcomes. Through meticulous operational management, Wexler supports the rapid deployment of life-saving vaccines across diverse international markets.

    Mohsin Akhtar - Healthcare Executive

    Mohsin Akhtar, the Healthcare Executive at Pfizer, directs the strategic implementation of patient-centered care initiatives across the company's therapeutic areas. Overseeing the engagement with healthcare systems, the Healthcare Executive ensures that the organization's medicines and vaccines are effectively integrated into clinical practice to improve patient quality of life. This role involves analyzing market trends and health outcomes to refine the delivery of pharmaceutical solutions. By fostering relationships with key stakeholders in the medical community, Mohsin Akhtar drives the adoption of breakthrough therapies. The Healthcare Executive manages the alignment of product offerings with the specific needs of diverse patient populations. Through the application of deep industry knowledge, Akhtar supports the company's mission to address significant health challenges. The Healthcare Executive ensures that the organization remains responsive to the evolving demands of the global healthcare landscape while maintaining a focus on scientific excellence.

    Suraj Khandekar - Healthcare Executive

    Suraj Khandekar, the Healthcare Executive at Pfizer, directs the development and execution of market access strategies for the company's innovative medicine portfolio. Overseeing the navigation of complex regulatory and reimbursement environments, the Healthcare Executive ensures that patients gain timely access to essential treatments. This role involves collaborating with regional health authorities to demonstrate the clinical and economic value of the company's pharmaceutical products. By optimizing the distribution and availability of therapies, Suraj Khandekar drives the expansion of the company's footprint in key markets. The Healthcare Executive manages the strategic partnerships necessary to sustain long-term growth in the biopharmaceutical sector. Through the analysis of healthcare policy and patient needs, Khandekar supports the company's commitment to delivering high-quality medical solutions. The Healthcare Executive ensures that the organization effectively addresses health challenges by bridging the gap between scientific innovation and patient care.

    Vikas Harit - Healthcare Executive

    Vikas Harit, the Healthcare Executive at Pfizer, directs the strategic planning and execution of medical education programs that support the appropriate use of the company's therapies. Overseeing the dissemination of clinical data to healthcare professionals, the Healthcare Executive ensures that the medical community understands the benefits and applications of the company's breakthrough medicines. This role involves managing the scientific exchange between the organization and clinical experts to foster better health outcomes. By providing evidence-based information, Vikas Harit drives the informed adoption of new treatments. The Healthcare Executive manages the alignment of medical affairs with the company's broader research and development goals. Through the continuous evaluation of clinical evidence, Harit supports the company's mission to improve quality of life. The Healthcare Executive ensures that the organization maintains a high standard of scientific integrity while expanding the reach of its innovative healthcare solutions.

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    Frequently Asked Questions Regarding Pfizer Top Executives and Leadership Team

    Who leads Pfizer?
    Pfizer is led by William Steere (President, Chief Executive Officer & Chairman), along with executives such as Amit Agarwal (Executive Director, Finance & Chief Financial Officer, Pfizer Ltd) and Juan Morell (President & General Manager).
    Who is part of Pfizer’s executive team?
    The executive team of Pfizer includes leaders such as William Steere (President, Chief Executive Officer & Chairman), Amit Agarwal (Executive Director, Finance & Chief Financial Officer, Pfizer Ltd), Juan Morell (President & General Manager) and other senior executives.
    How many executives does Pfizer have?
    Pfizer has 10 executives leading key business areas.
    What roles are included in Pfizer’s leadership team?
    The leadership team of Pfizer includes roles such as President, Chief Executive Officer & Chairman, Executive Director, Finance & Chief Financial Officer, Pfizer Ltd, President & General Manager, Manager & Chief Marketing Officer, To Digital Chief of Staff & Senior VP.