Chief Executive, MannKind Corp.
Castagna has served as the chief executive of Westlake Village-based MannKind Corp. since 2017, the same year he also joined its board of directors. He has over 20 years of experience in the healthcare, pharmaceutical, biotech and specialty pharmacy industries, which he has utilized to help MannKind establish solid partnerships and grow its pipeline. Prior to MannKind, he was a vice president at Amgen, where he oversaw the lifecycle management and global commercial biosimilar business areas. He also spent a combined 15 years as an executive director at Bristol-Myers Squibb, focusing on medical, marketing and sales from 1997 to 2005, later returning in 2010 to direct the company’s immunoscience division.