Florian Kiefer MD, PhD is Associate Professor of Medicine and Head of the Endocrine Outpatient Clinic at the Division of Endocrinolgy & Metabolism at the Medical University of Vienna. He is the Vice-President of the Austrian Obesity Association and an active board member of the Austrian Society of Endocrinology and Metabolism. Dr Kiefer is also a research group leader of multiple peer-reviewed projects and has published extensively in the field of energy metabolism, obesity and brown fat physiology. He is recipient of numerous awards including the prestigous Theodor-Billroth Prize and the Paracelsus Award. Dr Kiefer serves as a reviewer for multiple international scientific journals.