Maite E Del Valle Rolon, MD

Dr. Howard Lederman is a professor of pediatrics at the Johns Hopkins University School of Medicine. He is the director of the Immunodeficiency Clinic, the Pediatric Immunology Laboratory, and the Ataxia-Telangiectasia (A-T) Clinical Center. Dr. Lederman specializes in the evaluation, diagnostic testing and long-term management of patients of all ages who have known or suspected primary immunodeficiency diseases. He is an expert on the use of gamma globulin therapy for a wide variety of disorders. After receiving his M.D. and Ph.D. from the University of Michigan, Dr. Lederman came to Johns Hopkins Children’s Center for a residency in pediatrics, followed by a fellowship in immunology at the Hospital for Sick Children in Toronto. Dr. Lederman’s current research laboratory and clinical research focuses on better understanding and treating patients with ataxia-telangiectasia, a devastating neurological disorder for which there is no cure.He is a member of numerous professional societies, including American Association of Immunologists, the American Society for Microbiology and the Clinical Immunology Society.

Dr. James Casella is a professor of pediatrics and oncology at the Johns Hopkins University School of Medicine. As the Johns Hopkins’ Rainey Professor of Pediatric Hematology, Dr. Casella is chief of the Division of Pediatric Hematology at Johns Hopkins Children's and director of the Basic and Translational Research Program in Sickle Cell Disease, Comprehensive Sickle Cell Center and the Maryland Hemophilia Treatment Center at Johns Hopkins.He supervises several labs investigating the cellular and molecular basis of pediatric blood-borne diseases. He is seeking to develop better treatments for sickle cell disease and the prevention of central nervous system complications of this disorder, including stroke.Dr. Casella received his undergraduate degree in mathematics from Union College. He earned his M.D. from SUNY of Syracuse and completed a residency in pediatrics at Johns Hopkins University School of Medicine, where he was subsequently a fellow in hematology/oncology. He has been a member of the Johns Hopkins’ faculty since 1983.A research scientist as well as a clinician, he co-directs the hematology/oncology fellowship program at Johns Hopkins Hospital and is an adjunct senior investigator (Pediatric Oncology Branch) in the Division of Clinical Sciences, National Cancer Institute, National Institutes of Health. He is also director of the NHLBI-funded K12 in benign hematology program at Johns Hopkins that trains young clinician/investigators in benign hematology and transfusion medicine.Dr. Casella has served on numerous university, hospital, and advisory committees, many geared toward hematology, pediatrics and transfusion. He has received many awards from the Johns Hopkins Hospital, including the Alexander "Buck" Schaffer Award for Outstanding Contribution to the Teaching of House Officers. He and a colleague created the Johns Hopkins/St. Agnes Comprehensive Hemophilia Clinic to improve care for patients with the disease.

Dr. Hoover Adger Jr. is a professor of pediatrics at the Johns Hopkins University School of Medicine. His clinical interests include adolescent medicine, substance use and treatment of substance use disorders. Dr. Adger is a senior faculty member in the Division of Adolescent and Young Adult Medicine. Dr. Adger is the director of both the Substance Use Assessment/Intervention Team at The Johns Hopkins Hospital Adolescent Program Co-Director of the CARE Clinic. He also serves as the faculty leader of the Colleges Advisory Program’s Sabin College. He earned his medical degree from Case Western Reserve University. He completed a pediatrics residency at Cincinnati Children's Hospital Medical Center and a fellowship in adolescent medicine at the University of California, San Francisco. He joined the Johns Hopkins faculty in 1984, at which time he completed a M.P.H. in health policy. Dr. Adger served as deputy director of the White House Office of National Drug Control Policy in 1997 and 1998. He served from 1999-2005 as co-director of a federally funded strategic planning initiative, a role in which he advised the federal government and other entities about improving and expanding interdisciplinary education and training of health professionals in substance-use disorders. His research interests include substance use disorders and medical education. Dr. Adger is a past president of both the Association for Medical Education and Research in Substance Abuse and the National Association for Children of Alcoholics. He is recognized as a national leader and expert in the field of addiction medicine with a focus on adolescents and young adults.