Dr. Rui (Sammi) Tang is a seasoned drug developer and innovative pharmaceutical leader who has contributed to the successful development and approval of numerous therapies—bringing medicines from research to market that now reach millions of patients every day. With a proven track record of building high-performing teams and driving scientific and operational innovation, she delivers data-driven solutions that accelerate drug development and improve global health outcomes.

As Senior Vice President and Global Head of Quantitative Sciences and Evidence Generation (QSEG) at Astellas Pharmaceuticals, Dr. Tang leads the company’s global data and evidence strategy across quantitative analytics, epidemiology, real-world evidence (RWE), biostatistics, programming, medical writing, scientific communication, data systems & enablement, and data management. She is at the forefront of applying Generative AI in regulatory and clinical documentation, AI/ML-powered analytics, and external data to optimize study design and development efficiency.

She also serves as Site Head of the Astellas Life Sciences Center (ALSC) in Cambridge, where she oversees full site operations and strategic direction across integrated teams including Research, Medical & Development, Business Development, and IT. Under her leadership, the ALSC drives innovation through internal collaboration and external partnerships with incubator labs, biotech start-ups, and academic institutions.

A dedicated scientific leader, Dr. Tang serves on the Executive Committee for Data Science & AI at the American Statistical Association (ASA) and is co-founder of DahShu, a global nonprofit advancing data science research and education with over 5,000 members.

Previously, Dr. Tang was Vice President and Global Head of Biometrics at Servier Pharmaceuticals and Therapeutic Area Head of Biostatistics at Shire. Earlier in her career, she contributed to drug development and statistical innovation at Vertex, Amgen, Mayo Clinic, and Merck—experiences that shaped her cross-functional leadership approach.

Dr. Tang holds a PhD in Statistical Genetics from Michigan Technological University and an Executive MBA from MIT Sloan. She is also an Adjunct Professor at Yale University School of Public Health. With over 50 peer-reviewed publications and multiple patents, she is widely recognized for combining scientific depth with strategic leadership to deliver transformative therapies that improve lives worldwide.