On 17 August 2015, H.E. Ambassador Sihasak hosted a dinner for 10 businessmen from companies of Mitsui group. The dinner, inviting top executives of Japanese leading companies, was realized by the kind cooperation of Mr. Teisuke Kitayama, Chairman of the Board of Sumitomo Mitsui Banking Corporation, who serves as Chairman of the Japan-Thailand Business Forum and President of the Japan-Thailand Association. At the dinner table, H.E. Ambassador and the guests actively exchanged opinions with a view to further enhance economic relations between Thailand and Japan.