Thomas R. PIEBER is a clinical specialist in endocrinology and diabetes mellitus whose research is dedicated to the relationship of inflammation, energy homeostasis and human diseases. His group has developed a novel technique called open-flow microperfusion (OFM) which is used to explore energy metabolism in adipose and muscle tissue in diabetes. Recently his research also addressed the role of 15-hydroxy-vitamin D in immune tolerance and autoimmunity. In a joint research effort with leading obesity centers in Europe his group currently addresses the role of immune competent cells and novel pathways of chronic inflammation in obesity and diabetes. Thomas Pieber is Chairman of the Division of Endocrinology and Metabolism at the MUG.