Bogi Andersen is a Professor of Medicine and Biological Chemistry at UC Irvine. He is a native of Iceland where he went to college and then medical school at the University of Iceland in Reykjavik. He trained in internal medicine and endocrinology at Case Western Reserve University and the University of California, San Diego. He is clinically active as an endocrinologist and his research focuses on transcriptional regulation of epidermal differentiation and wound healing. He has also established a role for the circadian clock in the regulation of epidermal stem cell proliferation, skin metabolism, and the immune system. More recently he has studied the effect of feeding and fasting on the biology of skin. He uses single cell genomics approaches in his work. He is the Director of UCI Skin, an NIH/NIAMS-funded Skin Biology and Diseases Research-based Center and a co-Director for a T32 training program in interdisciplinary skin research.