Dr. Xiaobin Xu is a Scientist at Regeneron Pharmaceuticals, Inc. He received his Ph. D. in degree in Analytical Chemistry from at Boston University, where he focused on proteomics and biological applications of mass spectrometry. At Regeneron, he leads and performs analytical characterization of therapeutic proteins to support pre-clinical and clinical development. He also develops new analytical methods and technologies to better characterize monoclonal antibodies (mAbs).