Petra Muus established the National PNH Expert Centre in the Netherlands. Her clinical and research interests are PNH, Bone Marrow Failure syndromes, Myelodysplastic Syndromes and Acute Leukaemia. Her PhD was on the Biological Basis for Resistance in Leukaemia. She is Board Member of the International PNH Interest Group and served in Boards of the International PNH Registry and the EORTC Leukaemia Group. She contributed as Investigator to many clinical trials in PNH, aHUS, MDS and Acute Leukaemia. She authored over 125 publications in peer reviewed journals. Most of her career was in Radboudumc Nijmegen, the Netherlands. She is now a Consultant Haematologist at King’s College Hospital in London.