Professor Hannah Cohen is a Consultant Haematologist with a specialist interest in thrombosis and haemostasis. Her areas of expertise include venous thromboembolism, anticoagulation / antithrombotic treatment, with her main focus the diagnosis, management and pathophysiology of antiphospholipid syndrome. She is Chair of the International Society on Thrombosis and Haemostasis (ISTH) Scientific and Standardisation Committee on Lupus Anticoagulant / Antiphospholipid Antibodies Subcommittee and a Founder member and Co-chair of Antiphospholipid Syndrome Alliance for Clinical Trials and International Networking (APS ACTION).