Prof. Claudio Tadue Daniel-Riberiro and Prof. Santiago Mas-Coma, President and President Elect of International Federation of Tropical Medicine (IFTM) accompanying by Prof. Maria Dolores Bargues visited Bangkok during 14-18 March 2016 to discuss with PTAT committee about the bidding preperation for 20th International Congress of Tropical Medicine (ICTMM) and to investigate hotels and facilities to be the possible congress vanue.