Dr. Nicolaus Kröger is Professor of Medicine and Medical Director of the Department of Stem Cell Transplantation at the University Medical Center Hamburg-Eppendorf, Germany. Following the completion of his medical degree, he visited the MD Anderson Hospital, Houston, USA. Prof. Kröger is board certified in Hematology-Oncology and Internal Medicine.

 From 2006 to 2012 he served as chairman of the MDS subcommittee, and from 2012 to 2018 as chairman of the Chronic Malignancies Working Party and board member of the European Group for Blood and Marrow Transplantation (EBMT).

Since 2018 he is President of EBMT (2018-2022)

He is also chairman of the German Stem Cell Working Group (DAG-KBT) and member of several editorial boards such as Blood, Haematologica and Bone Marrow Transplantation. He is also member of the Scientific Program Committee and the Editorial Board of the European Hematology Association (EHA) and member of the Scientific Committee of the European School for Hematology (ESH) and  Educational Program Advisory of American Society of Hematology (ASH).

 He has received several awards for his work to date including the prestigious EBMT van Bekkum Award in 2015.

His research interest is on stem cell biology and stem cell transplantation, the detection and treatment of minimal residual disease by adoptive immunotherapy or novel drugs, the impact of NK-cell allo-reactivity, optimizing outcome with HLA-mismatched donor, and prevention and treatment of chronic graft-versus- host disease and CAR T cell.

Prof. Kröger has published extensively in his area of expertise and has contributed to more than 650 publications in peer-reviewed journals such as NEJM, Lancet, JCO, JNCI, PNAS, Blood and Leukemia