Dr Yvonne Brennan is a clinical and laboratory haematologist with an interest in thrombosis and haemostasis medicine. She is the supervising pathologist for the SA Pathology Specialised Haemostasis Laboratory. She is also a clinician, with clinics at Royal Adelaide Hospital and Lyell McEwin Hospital. She has been involved with the development of several guidelines including the upcoming Therapeutic Guidelines Cardiovascular 8, in which she was the primary reviewer for the VTE Prophylaxis and VTE Treatment topics.