Prof. Dan Ziegler graduated from Heidelberg Medical School, Germany. He holds specializations in Internal Medicine, in Diabetology and in Endocrinology. He is currently Deputy director, Research Group Leader, Professor of Internal Medicine and Consultant Physician at the Institute for Clinical Diabetology, Heinrich Heine University, Düsseldorf, Germany. In addition, Prof. Ziegler is a member of multiple authorized expert panels for clinical guidelines; he has chaired and he is now executive committee member the of Diabetic Neuropathy Study Group of the European Association for the Study of Diabetes (EASD) editorial boards and Prof. Ziegler has published more than 300 original articles, reviews, and book chapters. He is a reviewer and member of editorial boards for many journals, including N Engl J Med, Lancet, Lancet Endocrinol Diabetes, J Am Coll Cardiol, Diabetes, Diabetes Care, Diabetologia, J Clin Endocrinol Metab, Ann Neurol, JAMA Neurol, Pain and Journal of Diabetes Research. He has received multiple awards, including the Camillo Golgi prize of the of the European Association for the Study of Diabetes (EASD). His areas of interest are: pathophysiology, pathology, diagnosis, screening, prevention, and treatment of diabetic polyneuropathy, neuropathic pain, cardiovascular autonomic neuropathy, gastrointestinal motility, and erectile dysfunction; design of clinical trials. He has been principal investigator of numerous clinical trials in diabetic neuropathy for more than 30 years.