Damisa Ongsiriwattana is the Founder of SOUR Bangkok, the first-ever independent agency in Thailand that focuses on the women’s market and proactively promotes female creative leadership in the industry. As a veteran creative with over ten years of experience, one of her fresh campaigns, ‘Sabina Braless,’ enriched cultural humor and won multiple prestigious awards for its bold, fearless approach. Another major achievement is ‘Girl From Nowhere,’ a Netflix Original Series that topped trending lists in 13 countries and was available in more than 25 languages. Damisa’s vision, market sensibilities, and creative approach have solidified her as a leading force in the industry. SOUR Bangkok has been awarded Campaign’s Southeast Asia Boutique Agency of the Year for six consecutive years (2018–2023), Agency of the Year at AdFest 2021, and was ranked as one of Thailand’s Top 3 Best Performance Agencies and No. 7 on Asia’s Hot List by The Work 2023.

Before starting her own venture with a pioneering business model, Damisa served as Creative Director at Ogilvy & Mather Thailand and J. Walter Thompson. As the brain behind many insightful campaigns that garnered accolades in international and local award shows, including Cannes Lions, LIA, AdFest, The One Show, Clios, Spikes, and The Nation Thailand Adman Awards. For all her outstanding achievement in creativity and promoting female leadership, she has served as a jury member at The One Show (2024, 2021), Cannes Lions International Festival (2023, 2018, 2014), ADC Awards 2023, London International Awards (LIA) 2022, and many others. Notably, she was a jury member for the Glass Awards at Spikes Asia 2019, honoring work that advances gender equality.

Today, Damisa continues to work at building local brands as well as mentoring next generation talents, making them all shine on the global stage.