Jack Wu, PhD, MLS(ASCP)CM, is currently a second-year clinical chemistry fellow at Mayo Clinic. Prior to his fellowship, he was a senior test developer in the neuroimmunology laboratory at Mayo Clinic. He received his PhD from the graduate school of Chinese Academy of Sciences and completed his postdoctoral research at Iowa State University. He attended the Mayo Clinic medical laboratory science program and received MLS certification form ASCP before starting his career in laboratory medicine.