Xuejun Xu, PhD, is a Senior Research Investigator in Chemical and Synthetics Development department within Product Development at Bristol-Myers Squibb Company in New Jersey. He received his BSc from Wuhan University, China, and Ph.D. from Dalhousie University, Canada. He joined Bristol-Myers Squibb in 2006 and his work focuses on method development, validation, and transfer in process support of drug substance synthesis.