Paroxysmal Nocturnal Hemoglobinuria (PNH)

David Jacobsohn, MD, ScM is the Division Chief, Blood and Marrow Transplanation at Children's National Hospital in Washington, D.C. Previously, he was at Children’s Memorial Hospital in Chicago, where he served as a member of the Stem Cell Transplant Program staff and as the Director of the Chronic Graft-versus-Host Disease Clinic. He has lectured widely on GvHD/BMT in Europe, Latin America, and the United States. Dr. Jacobsohn obtained a Bachelor of Science from Yale University, his medical degree from Tufts University, and a Masters in Clinical Investigation from Johns Hopkins School of

Dr. Arnold is an Assistant Professor of Pediatrics, Emory University School of Medicine. She specializes in pediatric hematology and has particular expertise in the care of children undergoing stem cell transplantation for noncancerous disorders, such as sickle cell anemia, aplastic anemia and thalassemia. In addition to caring for patients, Dr. Arnold conducts research. She has an MBA and does outcome research to demonstrate the cost-effectiveness of the therapies she uses.

Dr. Ramy Hanna is an Assistant Clinical Professor of Medicine and Nephrology at the University of California Irvine UCI-Health. He is a clinician-educator who works at the intersection of patient education and research, participating in ongoing research into diseases of the kidneys (nephrology) as it relates to complement disorders such as PNH. Dr. Hanna is focused on working with underserved communities and the expanding field of Artificial Intelligence/Machine Learned related to improving the diagnostic process and treatment outcomes for patients.

Ryotaro Nakamura, MD is Professor, Department of Hematology & Hematopoietic Cell Transplantation; Director, Center for Stem Cell Transplantation at City of Hope. Since joining City of Hope in 2002, Ryotaro Nakamura, M.D., has been at the forefront of leading-edge research in stem cell transplantation and development of cancer vaccines. Among his promising projects: A study indicating that bone marrow transplants may be effective in treating systemic mastocytosis, a rare blood disease with no known cure, and the use of vaccines to replace antivirals which can often spawn deadly infections. Dr