Bertram is the Chief Physician of Hematology and Cell Therapy and the Director of the Hematology and Stem Cell Transplantation Center at Helios Klinikum Berlin-Buch. His specialization includes malignant lymphomas, acute leukemia, and cell therapy, particularly CAR-T therapies. He is an active member of the German Lymphoma Alliance and serves as the speaker of the aggressive lymphoma subcommittee of EBMT. Bertram has dedicated his career to clinical research and the application of cutting-edge treatments in hematology and immunotherapy.

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