Nicola de’Angelis is a consultant general surgeon with special interest in minimally invasive and robotic digestive surgery. He graduated from the Medical School at the Università degli Studi di Parma (Italy) in 2005 and completed his residency in General Surgery at the Università degli Studi di Pisa (Italy). He trained at the Assistance Publique – Hôpitaux de Paris, AP-HP (France), King’s College Hospital in London (UK), and at the CHUM St. Luc of Montreal (Canada). Since 2012, he has been working at the Henri Mondor University Hospital of Creteil, France. Nicola de'Angelis is associate professor of digestive surgery at the University of Paris XII, UPEC. He is a member of the faculty of the European Academy of Robotic Colorectal Surgery (EARCS) and director of the World Society of Emergency Surgery (WSES) Fellowship in "Gastrointestinal Emergencies and Robotic Surgery".  Salomone Di Saverio is a consultant Colorectal and Emergency surgeon who is working from January 2018 in the Colorectal Unit of Addenbrookes Hospital, Cambridge University Hospital NHS Trust in UK, performing both elective and Emergency general surgery and colorectal cancer procedures. He was previously from January 2010 to December 2017 a Team Leader Consultant in Acute Care andTrauma Surgery and in General Surgery; ha was Clinical Head of Laparoscopy in Trauma Surgery at the Trauma Surgery Unit, Trauma Center Maggiore Hospital Bologna from 2015; he has been Vice-Chairman of the Trauma Surgery Unit from 2013 to 2017. He has performed more than 4500 major surgical procedures, mainly as first operator, with more than 1500 procedures done laparoscopically/Minimally invasive surgery. He has described and published several original or innovative surgical techniques in both open and laparoscopic surgery in major surgical journals. He has been grated full professorship status in General Surgery by the Italian Ministry of University and Scientific Research in April 2017and is a fellow of both the American College of Surgeons and Royal College of Surgeons of England. He is member of the 2018 ESCP Guidelines committee for management of Acute Diverticulitis in the group 6 of experts for Technical aspects Francesco Brunetti is a general surgeon specialized in digestive and emergency surgery. He graduated from the Medical School at the Università degli Studi di Napoli "Federico II" (Italy) and trained at the Assistance Publique – Hôpitaux de Paris, AP-HP (France). He is currently head of the gastrointestinal surgery program at the Henri Mondor University Hospital of Creteil, France. He is member of the editorial board of the World Society of Emergency Surgery.