Professor Alwin Krämer is a Medical Oncologist with a focus on cancer of unknown primary. He completed his training in Heidelberg, Mannheim, the McArdle Laboratory for Cancer Research, Madison, USA and the Danish Cancer Society Research Laboratory, Copenhagen, Denmark.

In 2006 Prof. Krämer was appointed Head of the Clinical Cooperation Unit Molecular Hematology/Oncology, a joint department of the German Cancer Research Center and University Hospital Heidelberg, and full professor at the University of Heidelberg. Here, he built up the medical oncology unit for cancer of unknown primary and heads clinical and translational research for this cancer entity.

With a basic science focus on causes and consequences of chromosomal instability and clinical/translational research centering around cancer of unknown primary, he aims at elucidating the mechanisms initiating the metastatic process and developing novel treatment options of patients with metastatic disease.

Prof. Krämer co-chairs the cancer of unknown primary study group of the AIO, a collaborative group in clinical oncology within the German Cancer Society (DKG). In ESMO, he is coordinator of the ESMO Clinical Practice Guideline on the management of cancer of unknown primary.