Leadership Bio Image of Percival Barretto Ko

President, Astellas Pharma

Percival Barretto-Ko is President, Astellas Pharma. In this role, he is responsible for the operations for Astellas Pharma across the U.S., headquartered in Northbrook, IL, with over 3,000 employees.  Astellas is a company dedicated to improving the health of people around the world through the provision of innovative pharmaceutical products. Astellas focuses on serving patients’ unmet medical needs across multiple therapeutic areas, including Cardiology, Hematology, Immunology, Infectious Diseases, Oncology and Urology.

Previously, Barretto-Ko was Senior Vice President, Head of International, where he led Astellas' businesses outside of the United States, serving unmet patient needs in over 20 markets. Barretto-Ko’s earlier roles include Senior Vice President, Corporate Strategy, Business Development, & Government Affairs, where he led the company's activities in business development, corporate strategy, and alliance management in Northbrook, IL and government affairs in Washington, D.C. In addition, Barretto-Ko held prominent roles for Astellas while based in the U.K. including Head of EMEA Corporate Strategy, Business Development, and Corporate Communications, as well as EMEA Head of Immunology and Transplant. Before joining Astellas, Barretto-Ko held increasingly senior commercial positions with the Roche Group in the U.S. and U.K. across various therapeutic areas including Oncology, Hematology, Virology, Immunology, and Infectious Diseases.

Barretto-Ko earned a Bachelor of Science in Biological Sciences with Honors from Cornell University, a Master of Business Administration from Yale University, and a Master of Science from MIT Sloan School of Management, where he also served as a Sloan Fellow for Innovation and Global Leadership.

In addition, Barretto-Ko serves on the boards of the Pharmaceutical Research and Manufacturers of America (PhRMA) and Chicago United. PhRMA is dedicated to advance policies that ensure continued investment in biopharmaceutical innovation, and Chicago United is an organization committed to achieving parity in economic opportunity for people of color by advancing multiracial leadership in corporate governance, executive level management and business diversity.