Viatris Inc. is an American global pharmaceutical and healthcare corporation headquartered in Canonsburg, Pennsylvania. The corporation was formed through the merger of Mylan and Upjohn, a legacy division of Pfizer, on November 16, 2020. The name of the corporation comes from the Latin words via, meaning path, and tris, which means three, referring to the path to three main objectives the corporation set: expanding access to medicines, meeting patient needs through innovation, and earning the trust of the healthcare community. Viatris ranked 254th on the 2021 Fortune 500 rankings of the largest United States corporations based on its 2020 total revenue. On November 16, 2020, Upjohn merged with Mylan in a Reverse Morris Trust transaction and changed its name to Viatris. At that time, Michael Goettler became chief executive officer. Following the combination, the company began trading on the NASDAQ using the ticker symbol VTRS. In December 2020, the company announced a cost-reducing restructuring plan which would impact up to 20% of its global workforce, or 9,000 jobs at its facilities around the world. In 2021, Viatris was ranked 5th by Fortune on its annual "Change the World" list for having "transformed the treatment of HIV around world in the [previous] five year through the first low-cost antiretroviral drug for first-line treatment of HIV and a children's version in the form of fruit-flavored tablets that dissolve in liquid. In February 2022, Viatris announced an agreement where it will contribute to Biocon Biologics its biosimilars portfolio and related commercial and operational capabilities in exchange for up to 700–750 million to create an ophthalmology division. The acquisitions closed in January 2023. In 2022, Viatris was recognized by Forbes as one of the world's best employers and by Newsweek as one of America's most responsible companies.