Professor Michael Laffan is a Professor of Haemostasis and Thrombosis in the Department of Haematology at Imperial College, London, United Kingdom, and Director of the Hammersmith Hospital Haemophilia Centre, London, United Kingdom. He trained in medicine at the University of Oxford, United Kingdom, and in haematology at the Hammersmith and Royal Free Hospitals in London, United Kingdom. His principal research interest is the structure-function relationship of von Willebrand factor, in particular the role of glycosylation, and the mechanisms and regulation of thrombin generation.

Professor Laffan has published extensively on haemostasis and edited the 12th edition of Practical Haematology. He also chaired the British Society for Haematology (BSH) Task Force on Haemostasis and Thrombosis for six years and the United Kingdom Haemophilia Centre Doctors' Organisation (UKHCDO) von Willebrand Disease Working Party until 2020. He is currently chair of the BSH Guidelines Executive Committee.

Dr Niamh O’Connell became National Haemophilia Director at the National Coagulation Centre (NCC) in 2018, after joining as a Consultant Haematologist in 2010. The NCC is the lead comprehensive care centre for adults in Ireland and is a national hub for clinical services, research, training and education in disorders of haemostasis. Dr O’Connell’s research interests include clinical trials in novel therapies for haemophilia, clinical outcomes in haemophilia and the application of information technology solutions in the management of haemophilia.

Dr Robert F. Sidonio Jr is an Associate Professor of Paediatrics at Emory University Hospital in Atlanta, United States, and the Associate Director of the Haemostasis and Thrombosis Program at Children’s Healthcare of Atlanta, Atlanta, United States. He is also the Director of Clinical Operations and Clinical Research of the Haemostasis and Thrombosis Program.

Dr Sidonio attended medical school at the University of Alabama at Birmingham School of Medicine and completed his residency at the University of Louisville/Kosair Children’s Hospital in Louisville, Kentucky, United States. He was a fellow at the University of Pittsburgh Medical Centre/Children’s Hospital of Pittsburgh, where he also received his Master of Science in clinical research.

Dr Sidonio has specialised in paediatrics and his clinical research focuses on the management of women with bleeding disorders. He is currently investigating the bleeding phenotype of haemophilia A and B carriers, and is also interested in haemophilia A inhibitors and novel immune tolerance regimens. Dr Sidonio is a member of several scientific societies and committees, including the American Society of Haematology (ASH), and has published numerous papers in professional journals and abstracts in the proceedings of international scientific congresses.