Giovanni Sarnelli is Full Professor of Gastroenterology at the University of Naples "Federico II" and Head of the Unit of Digestive and Nutritional Pathophysiology at the University Hospital Federico II. His research focuses on neurogastroenterology, gut inflammation, and microbiome-based therapies, with key contributions in cannabinoid pharmacology and next-generation probiotics, including several international patents. He serves on national and international expert panels for gastrointestinal disease guidelines and is a member of the Rome Foundation, co-chairing the Rome V chapter on pharmacology. A founding member of the Italian Society for Precision Medicine and the Path-2 Task Force on Th2-mediated diseases, he combines clinical leadership with active roles in academic governance. Giovanni has authored over 150 scientific papers and lectures in multiple degree and specialty programs, promoting a multidisciplinary approach to gut health and disease.