Jan Blatný, MD, PhD, is Consultant Haematologist at the Department of Paediatric Haematology and Biochemistry, Centre for Thrombosis and Haemostasis and the Director of the Haemophilia Comprehensive Care Centre of University Hospital in Brno, Czech Republic. He is also an Associate Professor of Paediatrics at Masaryk University in Brno, Czech Republic. His research interests encompass paediatric haematology, thrombosis and haemostasis, and life-threatening bleeding. He is a member of the Working Party on population PK of the ISTH SSC Subcommittee on Factor VIII and IX and Rare Bleeding Disorders. In addition to ISTH, Dr Blatný is a member of numerous national and international haematology organizations. He serves on the steering committee and is a paediatric coordinator of the Czech National Haemophilia Programme, Vice-president and a member of Executive Committee of EAHAD, member of MAG (Medical advisory group) of EHC, a reviewer for several haematology journals, and is on the editorial board for an official journal of Czech Haematology society. Dr Blatný’s publication credits are 9 book chapters and over 100 articles published in peer-reviewed journals

Dr. Mazzeffi is a cardiothoracic anesthesiologist and intensive care physician. He is currently Vice Chair for Faculty Affairs and Development in the department of anesthesiology at University of Virginia Health. He is an active clinical researcher with an interest in hemostasis, viscoelastic coagulation testing, extracorporeal membrane oxygenation, and acquired Von Willebrand Syndrome in patients on mechanical circulatory support. He is an active teacher and mentor for medical students, anesthesiology residents and fellows.