Laboratory Corporation of America Holdings announced that Dr. Deborah Ann Sesok-Pizzini has been appointed Chief Medical Officer of Labcorp Diagnostics, following the retirement of Dr. Dot Adcock in April 2021. Dr. Sesok-Pizzini assumed the role starting on January 11, 2021. Dr. Sesok-Pizzini joins Labcorp with over two decades of experience in healthcare. Prior to joining Labcorp, she held multiple appointments with The Children’s Hospital of Philadelphia, including Patient Safety Officer, Chief of the Division of Transfusion Medicine and Vice-Chief of Pathology and Laboratory Medicine. She was also a professor of clinical pathology and laboratory medicine at the Perelman School of Medicine at the University of Pennsylvania in Philadelphia, PA.