The Indonesia Water & Wastewater Expo & Forum has been held by the Association of Indonesian Drinking Water Companies (PERPAMSI) on Wednesday to Friday June 6 to June 8 2023 at the Bidakara Hotel, Jakarta. In this activity there are exhibitions about water and discussions or seminars. At the opening of the IWWEF 2023 event, the event was greeted with dance and abang none from D3 MICE Trisakti University who will welcome the arrival of the vice president of Indonesia, Mr. Ma’ruf Amin and the Minister of Public Works and Public Housing of Indonesia, Mr. Ir. H. Mochamad Basuki Hadimoeljono, M.Sc., Ph.D. PERPAMSI asked D3 MICE Trisakti University to send active students as volunteers including 4 people as seminar registrations, 6 people as runners for exhibitions and seminars, 2 people as visitor registrations, 6 people as receptionists, tray carriers and ushers, 2 people as Pavilion Booth and 6 people as Usher.