Sumate has over 40 years of experience in Business Events, specialising in destination management, conferences, corporate events, and non-leisure travel projects in Thailand. His dedication to the industry earned him multiple terms as President of the Thailand Incentive and Convention Association (TICA). A long-standing member of the Society of Incentive Travel Excellence (SITE) for over 30 years, he now holds Honorary Member status. Passionate about mentoring talent and promoting sustainable development, Sumate collaborates with the Thailand Convention and Exhibition Bureau and industry associations on key projects. In 1988, he founded CDM-Creative Destination Management, later rebranded to Conference & Destination Management. His accolades include World Incentive Travel Personality (Asia) in 1993 and SITE Member of the Year in 1995.