Professor Ofer Spielberg is a world-renowned Israeli hematooncologist who has been successfully treating adults and children for over 20 years for various blood diseases such as myeloma, Hodgkin's lymphoma, acute and chronic leukemia, non-Hodgkin's lymphoma, lymphogranulomatosis, amyloidosis, osteomyelosclerosis and many others. The professor's success rate in treating all of these diseases is higher than that of most Israeli specialists and far surpasses the results of German and American hematooncologists, especially in the treatment of leukemia.