About the Author

Samir K. Ballas, MD FACP FASCP DABPM FAAPM, is emeritus professor of medicine and pediatrics at Thomas Jefferson University in Philadelphia and honorary staff member of HEMORIO, the Hematology Institute in Rio de Janeiro. He formerly directed the Adult Sickle Cell Program of the Commonwealth of Pennsylvania for the Philadelphia Region. Dr. Ballas is also a senior member of the Cardeza Foundation for Hematological Research and former director of the Thomas Jefferson University Sickle Cell Center and the University Hospital Blood Bank.