Daniel Emilio Dalledone Siqueira obtained an MD in Vascular Surgery from the Surgical Science Department, School of Medical Sciences, Universidade Estadual de Campinas (UNICAMP), Campinas, Brazil. He is currently pursuing a doctorate degree in Vascular Surgery from the same university. Dr. Siqueira is a member of the Brazilian College of Surgeons (CBC) and the Brazilian Society of Vascular Surgery (SBACV). His areas of research interest include aortic aneurysm and ischemic nephropathy. He also works on the development of new vascular and endovascular devices.