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Sigbjørn Berentsen MD, PhD

Sigbjørn Berentsen MD, PhD

Consultant Hematologist and Senior Researcher, Department of Research and Innovation, Haugesund Hospital, Haugesund, Norway

Dr. Berentsen graduated in 1973 from the University of Bergen, Norway, and received his PhD degree in 2004; title of the thesis: “Primary chronic cold agglutinin disease.” He had his clinical training in internal medicine at Haugesund Hospital and Stavanger University Hospital, and his hematology training at St. Olav University Hospital (Trondheim) and Haukeland University Hospital (Bergen). Dr. Berentsen has held positions as a consultant hematologist at Haugesund Hospital, Haukeland University Hospital and Oslo University Hospital, and he was an associate professor at the University of Bergen 2004-2016. Currently, he is a consultant hematologist and senior researcher at the Department of Research and Innovation, Haugesund Hospital.

Dr. Berentsen has authored numerous PubMed referenced, original and review articles and a couple of major textbook chapters. He has been interested in autoimmune hemolytic anemia, lymphoproliferative disorders, and complement-mediated diseases. His current main field of research is cold agglutinin disease (CAD), for which he has authored most of the published studies of B-cell directed therapies. He is a coauthor of the CAD section in UpToDate, and he has given invited lectures at several international meetings and conferences, including ASH.


Dr. Berentsen has received lecture honoraria from Apellis, Bioverativ (a Sanofi-Genzyme company), and Janssen-Cilag, and consultancy and advisory board honoraria from Apellis, Bioverativ (a Sanofi-Genzyme company), Momenta Pharmaceuticals, and Sobi.