Clement L. Ren, MD is an Associate Professor of Pediatrics at the University of Rochester, where he serves as Cystic Fibrosis Center Co-Director and Chief of the Division of Pediatric Pulmonology & Allergy. He earned an AB in Biophysics from the University of California at Berkeley and an MD from the University of Chicago. He completed a pediatric residency and allergy/immunology fellowship at Boston Childrens Hospital/Harvard Medical School. He then completed a second fellowship in pediatric pulmonology at St. Christophers Hospital for Children. His research interests are in CF newborn screening and the application of novel techniques of lung function testing in infants and young children to the study of CF, bronchopulmonary dysplasia, and other pediatric respiratory diseases. He has published numerous peer reviewed articles on CF and CF newborn screening. He is the co-chair of the CF Newborn Screening Quality Improvement Consortium and has served on CFF review committees for QI grant applications in newborn screening and CF care in general. He has been a CF Center Director since 1996 and was a member of the Center Committee from 2006-2011.