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Astellas Pharma US, Inc., is a U.S. affiliate of Tokyo-based Astellas Pharma Inc. Located in Northbrook, Illinois, the company serves as the headquarters for the Americas and employs nearly 3,000 people. Astellas is a pharmaceutical company dedicated to improving the health of people around the world through the provision of innovative and reliable pharmaceutical products.
Our commitment to changing tomorrow is measured not only by our focus on bringing innovative and effective new medicines to patients and physicians, but also by the importance we place on the impact we can make within the communities where we work and live. Astellas supports many causes and has created Changing Tomorrow Day, an annual, worldwide volunteer event, to demonstrate this commitment.
1 Astellas Way
Northbrook, IL 60062-6111
Phone: 800-888-7704
Americas President
Percival Barretto-Ko
Americas Employees
2,800 (FY 2017)
Americas Product Sales:
$4.3 Billion* (FY 2017)
*Figure represents approximate US dollar/yen exchange rate of ¥100/1 USD. Includes sales from U.S., Canada and Latin America.
To learn more about the progress of Astellas' clinical development projects, visit the Overview of R&D Pipeline on the Astellas Pharma Inc. website.
2005 - Established U.S. headquarters near Chicago, Illinois, with the merger of Yamanouchi & Fujisawa.
2008 - Established a new U.S.-based subsidiary, Astellas Pharma Global Development, Inc., which acts as the headquarters for global development.
2009 - Established Astellas Farma Brasil Importacao e Distribuicao de Medicamentos Ltda., in Sao Paulo, Brazil.
2010 - Astellas acquires New York-based OSI to support new focus on oncology.
2012 - More than 1,000 employees relocate to new headquarters for the Americas in Northbrook, Illinois.
2016 - Astellas acquires Ocata Therapeutics, Marlboro, Mass., and establishes the Astellas Institute for Regenerative Medicine (AIRM).
2016 - Established Astellas Farma Colombia in Bogota, Colombia.
2017 - Astellas opens new drug discovery and development hub in San Diego, Calif, Astellas Research Institute of America (ARIA).
2017 - Astellas acquires Mitobridge, Inc., Cambridge, Massachusetts to discover and develop compounds that target mitochondrial function.
2018 - Astellas acquires Universal Cells, Inc., Seattle Washington, to develop stem cell therapies.
Astellas in the Americas has been recognized as an employer of choice by Forbes and Working Mother magazines, on Corporate Knights 100 Most Sustainable Companies Rankings, as a Great Place to Work in the Pharma Industry in Brazil and Canada, and on the Human Rights Campaign’s Corporate Equality Index. To learn more, visit our Awards & Recognition section.