Pål Andrè Holme is Professor of Haematology and Senior Haematologist at the Department of Haematology and Institute of Clinical Medicine, Oslo University and Oslo University Hospital, Rikshospitalet, Norway. He graduated from the Medical School at the University of Oslo in 1993 and was a research fellow at the Institute for Internal Medicine, University of Oslo, where he earned a PhD in 1996 after studies on platelet activation and platelet-derived-microparticle formation. He is a specialist in internal medicine and haematology. Prof. Holme has been responsible for the treatment of adult patients with haemophilia and bleeding related disorders in Norway since 2006. He leads a research group at Institute of Clinical Medicine and participates in several clinical research groups and has for a long time been an active investigator in studies on bleeding related disorders and platelets, and has authored many papers published in peer-reviewed journals and textbook chapters on these subjects.

Dr Vickie McDonald is a consultant haematologist at the Royal London Hospital, London, UK. Her main interests are disorders of coagulation, including ITP. She looks after patients with inherited and acquired disorders of clotting and platelets and runs specialist clinics in ITP. She is an honorary senior lecturer at Queen Mary University of London and is the national chief investigator for the UK ITP registry in addition to the PI and CI for several trials in ITP, both early and late phase studies.

Institute of Haematology and Transfusion Medicine, Warsaw, Poland Jerzy Windyga is the Head of the Department of Disorders of Haemostasis and Internal Medicine in the Institute of Haematology and Transfusion Medicine, Warsaw, Poland. Prof. Windyga obtained his medical degree from Warsaw Medical University. He later received his doctoral degree at the Institute of Haematology and Blood Transfusion in Warsaw, where he also completed his medical specialisations in internal medicine, haematology, and laboratory haematology. He has been a member of the Board of Directors of the WFH (2014-2018) and the Executive Board of the Polish Society of Haematology and Transfusion Medicine (2011-2019). He was the 2012–2016 chair of the Haemophilia Twinning Committee of the WFH. Dr Windyga has also been a member of the EUHANET Steering Committee. In 2013 Dr Windyga was the president of the 6th Congress of the European Association for Haemophilia and Allied Disorders (EAHAD). Since 2003, Professor Windyga has been a member of the Medical Board of the Polish Haemophilia Society, where he advises on recommendations for haemophilia management. In 2019 he has been appointed the Chair of the Advisory Board of the National Program of Haemophilia and Allied Disorders in Poland 2019-2023. He has authored and co-authored over 400 papers published both in Polish and international medical journals. His current research is focused on management of haemophilia and other inherited bleeding disorders, immune thrombocytopenia, thrombotic microangiopathies, porphyria as well as management of venous thromboembolism with a focus on thrombophilia and rare venous thromboses.