Pfizer is a renowned American multinational pharmaceutical and biotechnology corporation headquartered in Manhattan, New York City. Founded in 1849 by Charles Pfizer and Charles F. Erhart, Pfizer is one of the oldest pharmaceutical companies in North America, with a rich history spanning over 170 years[2]. The company's mission is to apply science and global resources to improve health and well-being by developing and manufacturing medications and vaccines for various therapeutic areas, including immunology, oncology, cardiology, and neurology[3]. Pfizer's portfolio includes some of the world's best-selling medications and vaccines, such as Eliquis, Prevnar, Paxlovid, and the Pfizer-BioNTech COVID-19 vaccine, Comirnaty[2]. These products have contributed significantly to the company's revenue, with Eliquis and Prevnar being among its top-selling products[2]. Pfizer is ranked as the fifth-largest biomedical company by revenue and is recognized on the *Fortune* 500 and *Forbes* Global 2000 lists[2]. Currently, Pfizer operates with a global presence, selling its products in nearly 200 countries and territories, and employing about 81,000 people worldwide[1]. The company has a strong pipeline of over 100 projects, focusing on innovative medicines and vaccines that address pressing health challenges like Alzheimer's disease and cancer[1][3]. In 2025, Pfizer aims to enhance shareholder value by focusing on R&D investments, cost efficiencies, and strategic growth initiatives[5]. Pfizer's commitment to innovation and public health is evident in its efforts to expand access to affordable healthcare globally. The company collaborates with healthcare providers, governments, and local communities to support wellness and prevention programs[3]. With a projected revenue range of $61 to $64 billion for 2025, Pfizer continues to be a leader in the biopharmaceutical industry, driven by its strategic roadmap and talented workforce[4][5].