Dr. Thomas Zeller is an Associate Professor in the Angiology, Division of the Universitaets-Herzzentrum, Freiburg, Bad Krozingen, Germany. He performs interventional angiology with more than 20 years of experience. His main research interest is diagnostic and therapy of renal artery stenosis, optimization of endovascular therapy methods of peripheral arterial occlusive disease and optimization of non-invasive diagnostic methods in vascular medicine. He has performed a series of studies in these areas and has conducted numerous clinical trials. Furthermore, he is editorial board member of various scientific journals. He is the author of more than 200 peer reviewed original and review articles, editor of the textbook Vascular Medicine, reviewer for European Heart Journal, Journal of American College of Cardiology and sub-journals, Circulation, The Lancet and others.