This is the sixth session in the Chat with Experts series, and it will feature Xuemei Cai, MD, Senior Medical Director, Head of Clinical Research for Biomeasures, Endpoints and Study Technologies (BEST), Research and Development, Pfizer. Xuemei Cai, MD Xuemei Cai oversees a group within the Pfizer Research and Development team focused on clinical innovation and developing and qualifying digital endpoints in patient-centric clinical trials. She joined Pfizer in 2015 in the Quantitative Medicine group within the Neurosciences Research Unit developing and deploying novel technologies and helped found and runs a clinical research unit called the Pfizer Innovation Research Laboratory.