Percival Barretto-Ko

President, Americas Operations

Percival Barretto-Ko is president, Americas operations, for Astellas. In this role, he has responsibility for the company's operations across the Americas, an organization headquartered in Northbrook, Ill. and $3.8 billion in revenues.

Prior to assuming this position, Barretto-Ko was senior vice president, international operations, where he led Astellas Pharma Canada, Astellas Farma Brasil, Astellas Farma Colombia and over 20 countries where Astellas’ innovative therapies serve unmet patient needs.

Barretto-Ko’s earlier roles with Astellas include senior vice president, corporate strategy and government affairs, where he led the company’s corporate strategy organization comprised of business development, corporate strategy, corporate planning, alliance management, and government affairs. He originally joined Astellas in 2005 to lead Astellas Pharma Europe’s corporate strategy organization, headquartered in London, United Kingdom. 

Before joining Astellas, Barretto-Ko held increasingly senior commercial positions with the Roche Group in the United States and United Kingdom.

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