On 8 July 2019, Ambassador Bansarn Bunnag chaired the Thai Team in Tokyo Meeting. The meeting was an opportunity for Thai organizations in Japan, including the Embassy, BOI office, Office of Commercial Affairs, Office of Agricultural Affairs, Office of Industrial Affairs, Office of Labor Affairs, Office of Educational Affairs,
On 2 July 2019, Mr. Hiroki Mitsumata, the former Chairman of JETRO Bangkok, paid a courtesy call on the Ambassador Bansarn Bunnag to bid farewell as he finished his tenure and introduce Mr. Atsushi Taketani as the new JETRO Chairman in Bangkok.
During 27 - 29 June 2019, Ambassador Bansarn Bunnag joined the delegation of His Excellency General Prayut Chan-o-cha, Prime Minister of Thailand. The Prime Minister attended the G20 summit according to the invitation by Japanese Government to exchange views and opinions
On 26 June 2019, Maj. Gen. Paisarn Ngamwongwan, Deputy Chief of Staff of the National Defence Studies Institute and Maj. Gen. Manas Thapthong, Director of the Institute of Security Psychology, with students and staff of teachers, called on the Ambassador.
On 26 June 2019, Ambassador Bansarn Bunnag welcomed and gave an overall briefing about Thailand - Japan relations to Gen. Watchara Nittayasut, Senior Expert, Office of the Permanent Secretary for Defence, Ministry of Defence and the delegation on the occasion of study trip to Japan.
On 25 June 2019, Mr. Atsushi Shimada, the President of Japanese Association in Thailand, paid a courtesy call on Ambassador Bansarn Bunnag in order to report the activities in year 2018. The Japanese Association in Thailand
On 21 June 2019, Ambassador Bansarn Bunnag and officials from the Royal Thai Embassy joined the merit-making ceremony to the monks at Wat Im Bunthamaram, Tokyo and met with Thai people living in Japan. After making merit at the temple, the abbot of Wat Imbun led the ambassador and other people to pay homage to the nearby Great Musashino Daibutsu.
On 19 June 2019, Mr. Giichiro Harada, Vice President of Shonai Bank, which is the main organization for the establishment of the Yamagata-Thailand Friendship Association paid a courtesy call on Ambassador Bansarn Bunnag
On 20 June 2019, Mr. Hiroshi MIYAHARA, President of Tobu World Square, along with Mr. Yukio NEMOTO, Executive Director and Mrs. Aiko OTSUKA, Public Relations Manager paid a courtesy call on Ambassador Bansarn Bunnag
On 20 June 2019, Ambassador Bansarn Bunnag welcomed Mrs. Achara Kaewkamchaicharoen, the Inspector – General of the Ministry of Labour and delegation from the Ministry of Labour at the Royal Thai Embassy.