Fausto Catena is the Chief of the Department of Emergency and General Surgery at the Bufalini Hospital of Cesena, Italy, and Associate Professor of General Surgery at the University of Bologna. His activity focuses on the following pathologies: inguinal hernia, colorectal cancer, laparocele, diverticulitis, abdominal diastasis, ulcerative colitis. He is professionally dedicated to the following specialist areas: proctology Emergency and trauma surgery, oncological surgery, sarcoma and carcinosis surgery, minimally invasive surgery, colo-rectal surgery, kidney transplantation, and abdominal wall surgery. He performed more than 4500 medium- high level surgical procedures.He is Editor in Chief of the World Journal of Emergency Surgery, Editor of other 30 Journals and Member of the Committee on Publication Ethics. Prof Catena was an invited speaker or chairman in approximately 300 national and international Congress. He is General Secretary of the World Society of Emergency Surgery, General Secretary of the Italian Society of Surgical Physiopathology, President Elect of the Italian Society of Geriatric Surgery, past Member of the Executive Committee of the Italian Society of Digestive Pathology and Past President of ESYS- European College of Surgeons- Italian Chapter. Since 2012 he has been Fellow of Royal College of Surgeons UK. Prof Catena is a world renowned opinion leader in emergency surgery: he wrote all the WSES guidelines- position papers in this scientific field. ; he has been included in the list of Top Scientists Stanford University. He wrote more than 1000 scientific papers, (more than 500 on pubmed, H index = 71) ) 50 book chapters and 10 Books. Prof Catena won 25 national and international scientific prizes. Prof. Paolo Carcoforo currently holds the position of Director of the Operative Unit of Surgery 2 at the Arcispedale Sant'Anna of Ferrara, as well as being a Full Professor at the University of Ferrara. He is an expert in General Surgery.In 1986 he graduated in Medicine and Surgery from the University of Ferrara, where he specialised in General Surgery in 1991 and later in Vascular Surgery.He mainly deals with surgical treatment for the following pathologies: breast cancer, thyroid cancer, melanoma, obesity, endocrine neoplasms and breast ultrasound.He is also a member of prestigious scientific societies and author of numerous publications.