Dr. Leonardo R. Brandão joined the staff at The Hospital for Sick Children in 2004. He is Professor of Paediatrics at University of Toronto and the Thrombosis Program director. Dr. Brandão is a native Brazilian who obtained his medical degree at the University of São Paulo (USP) School of Medicine (FMUSP). He pursued post-graduate training in North America, including Paediatrics Residency at Emory University, Atlanta, Georgia, a fellowship in Paediatric Haematology/Oncology at St. Jude Children's Research Hospital, Memphis, Tennessee, and a second fellowship in Paediatric Coagulation at Weill Cornell University, New York, New York. He is the past-chair of the thrombosis committee for the Canadian Pediatric Thrombosis Hemostasis Network (CPTHN), past-Canadian representative-elect for the Hemostasis and Thrombosis Research Society (HTRS), member of the pediatric venous thromboembolism panel for the American Society of Hematology (ASH) and past-co-chair of the pediatric thrombosis subcommittee for the International Society on Thrombosis and Hemostasis (ISTH).