The Thailand Center for Happy Worker Studies (TCHS) at the Institute for Population and Social Research, Mahidol University was honored to participate in an exhibition booth and forum on May 10th, 2023, for the “National Day of Safety at Work” event. The purpose of the event was to exchange knowledge and information on safety and leadership in creating organizational health for Fiscal Year 2023. The opening ceremony was presided over by Mr. Boonchob Suthamanuswong, Permanent Secretary of the Ministry of Labour, at the Miracle Grand Convention Hotel in Bangkok. During the exhibition booth, TCHS presented information about the HAPPINOMETER tool and a mini-game which received great attention. Participants had the chance to play and redeem prizes.