William Schleif, M.S., M.T. Biorepository Manager
William Schleif, M.S., manages the Johns Hopkins All Children’s Pediatric Biorepository and is director of the Johns Hopkins All Children’s Program in Pediatric Biospecimen Science. He has nearly 20 years of combined experience working in translational research and the clinical laboratory sciences. He is an active member of the International Society for Biological and Environmental Repositories (ISBER) and received a special service award from the organization in 2021. Schleif grew up in Clearwater, Florida, and received his Bachelor of Science in Biology from Florida State University. He received his graduate education in Biology at the University of South Florida, and began his career at All Children’s Hospital in 2008 as a translational research scientist. He also served in a supporting role in the All Children's Pathology and Laboratory Medicine Division before moving back into research to help build the state-of-the-art, hospital-integrated biorepository in 2013.
In his position, he manages biorepository operations and helps with the implementation of a diverse portfolio of clinical and investigator initiated studies into the hospital setting, designed around industry best practices and College of American Pathologists Biorepository standards for biospecimen processing, storage and distribution. He has a focused interest in biorepository science and applied genetics research in medicine, and has a medical technologist license in Molecular Pathology in the state of Florida.