Dr. Fairman, the Clyde F. Barker-William Maul Measey Professor of Surgery is a board certified vascular surgeon and is Chief of the Division of Vascular Surgery and Endovascular Therapy. He has been in practice over 20 years and maintains a busy clinical service focusing on patients with aortic (thoracic and abdominal), peripheral, and visceral aneurysms, renal artery occlusive disease, peripheral arterial disease, and carotid artery occlusive disease. In addition to conventional open surgical techniques, Dr. Fairman routinely employs percutaneous and endovascular techniques. He is externally funded and brought the first FDA-approved endovascular thoracic and abdominal aortic aneurysm clinical trials to Penn in 1997. He also lead the multidisciplinary carotid stent trial culminating in FDA approval (2004) of the first carotid stent with distal protection device to prevent stroke. He has served as National Principal Investigator for a number of thoracic and abdominal aortic aneurysmal clinical device trials since 1999. He leads a Division which has one of the largest clinical experiences in the USA using endovascular techniques to treat thoracic and abdominal aortic aneurysms, as well as the complications of acute aortic dissection, and one of the largest carotid interventional programs utilizing both endarterectomy as well as stenting.