Dr. Yi-Ling Hsieh is Senior Scientist in Early Development, Allergan. She has extensive experience in drug product formulation development and physical chemical characterization. She currently leads the lipid-based formulation platform development in Allergan and investigates the biopharmaceutical impact of formulation design. Prior to her current position, she led the solid state characterization efforts of small and large molecule inhalation formulation in Novartis to support the activities from pre-clinical stage to NDA submission. She gained industry experience, including material characterization, novel enabling formulations, and regulatory quality compliance from her experience in Pfizer, Schering-Plough and Bristol-Myers Squibb.