Dr. Andrea Del Fattore is the head of the Bone Physiopathology Research Unit at the Bambino Gesù Children’s Hospital, Rome, Italy. He received his bachelor’s degree in biotechnology, his master’s degree in medical, molecular, and cellular biotechnology from Sapienza University of Rome, and his Ph.D. in biotechnology from the University of L’Aquila. His research activity focuses on studying rare skeletal diseases, including osteopetrosis and Gorham-Stout disease. His research was also relevant to understanding new functions and pathways associated with the skeleton, including the stomach–bone axis and bone-insulin interplay. He was also interested in studying osteopenia associated with inflammatory diseases, osteoimmunology, and osteosarcoma. He published 78 papers and three book chapters. He is a reviewer for 26 journals and four international agencies. He presented the results of his research and co-chaired 25 international meetings.