David A. Santos serves as the Executive Vice President and Chief Commercial Officer at Rigel Pharmaceuticals Inc., a biotechnology company focused on discovering and developing novel therapies for hematology and oncology. In his role, Santos is responsible for overseeing the commercial strategy and operations of the company, including the successful launch and marketing of Rigel's products. His leadership has been instrumental in driving the company's growth and expanding its reach in the competitive pharmaceutical market. Santos brings a wealth of experience to Rigel Pharmaceuticals, with over two decades of expertise in the biopharmaceutical industry. Prior to joining Rigel, he held various senior leadership positions at prominent companies such as Genentech, where he served as Senior Vice President of Sales and Marketing, and Amgen, where he was Vice President of Sales. Throughout his career, Santos has demonstrated a proven track record of successfully launching and commercializing innovative therapies, consistently achieving strong sales performance and market penetration. Under Santos' guidance, Rigel Pharmaceuticals has made significant strides in advancing its pipeline and bringing life-changing treatments to patients. His strategic vision and deep understanding of the industry have been crucial in navigating the complex landscape of drug development and commercialization. As Rigel continues to expand its portfolio and explore new opportunities, Santos' leadership will undoubtedly play a pivotal role in shaping the company's future success and its mission to improve the lives of patients worldwide.