Roberto Weigert is a principal investigator at the National Institutes of Health (NIH). He was born in Catania, where he got is degree in Physical Chemistry. He moved to the Consorzio Mario Negri Sud in Lanciano, where he started to work in Cell Biology and at the same time got his Ph.D. in Life Sciences with the Open University of London. In 2001, he moved to USA, where he was a Research Fellow at the National Heart Lung and Blood Institute (NIH). In 2006 he established the Intracellular Membrane Trafficking Unit at the National Institute of Dental and Craniofacial Research where he has developed novel microscopy-based technologies to study the patho-physiology of the oral cavity.