Pr Olivier Glehen is Director of expert Centre in Peritoneal Surface Malignancies in Lyon Sud where they had unique experience of 30 years management of this difficult disease with more than 3 000 HIPEC and 1 000 PIPAC for all etiologies of Peritoneal disease. He is mentor of Peritoneal School of PSM from European Society of Surgical Oncology and published more than 350 manuscripts indexed in Pubmed in this field.