Zeqiang Guan currently serves as Associate Director at Pfizer, overseeing a matrix team of 20 scientists specializing in various aspects of mammalian cell line development and bioprocessing. Prior experience includes roles as Senior Principal Scientist, Principal Scientist, and Senior Scientist within Pfizer, focusing on stable cell line development and vaccine bioprocess development. Earlier roles at Boehringer Ingelheim Pharmaceuticals involved expertise in New Biological Entities and antibody engineering. Academic experience includes a position as Research Associate at Albert Einstein College of Medicine, where genetic regulation studies and molecular biology techniques were employed. Zeqiang Guan holds a Ph.D. in Cell Biology from Albert Einstein College of Medicine, alongside advanced degrees in Genetics and Biology from Fudan University and East China Normal University, respectively.