On 24 May 2018, GTDEE Project Director Mr. Markus Hoffmann and GTDEE Senior Project Manager Dr. Kamonsak Suradom went to Ruamruedee International School (RIS) for the meeting with the Director of School Advancement of RIS Francis David Jieng Ketsurin, the Director of Strategic Initiatives of RIS Khun Sudarat T. Attanawin and the former Ambassador of Switzerland Embassy in South Korea Mr. Joerg Alois Reding discussed about Dual Vocational Education System in Thailand.