Don Yuen is an experienced professional in analytical development, currently serving as the Director of Analytical Development at Cellares since October 2019, where leadership in assay development for cell and gene therapy products is a key responsibility. Prior roles include Associate Director and Manager of Analytical Development at Allogene Therapeutics, contributing to CAR-T product characterization and process support, as well as prior experience as Senior Scientist at Pfizer focused on CART-based therapies. Yuen's academic background includes a Ph.D. in Biochemistry from The Chinese University of Hong Kong, where research encompassed both postdoctoral and doctoral studies in molecular biology and protein expression.