He has been researcher at the Catania CNR Institute of Neuroscience in Catania. Assistant Professor at Rockefeller Neuroscience Institute in Rockville (Maryland, MD-US). He is currently associate professor of Clinical Biochemistry at the Dept. of Medicine and Health Sciences, University of Molise in Campobasso, Italy. He also is currently Visiting Professor at the Institute of Human Virology of Baltimore (MD-US).
Senior professor of internal medicine and endocrinology at the University of Rome La Sapienza. Graduated in medicine in 1966, he specialized in endocrinology in 1969. Founder and scientific director of the master “Prevention and therapy of overweight, obesity and eating disorders“ at La Sapienza. President elected of the Italian Society for the Study of the Diseases of the Nutrition Behavior (SISDCA).
Co-Director of the Laboratory of Cancer Cell Biology, member of the Institute of Human Virology of the University of Maryland (US).