The June 22 event will give selected founders and developers access to product demonstrations, technical workshops and OpenAI’s regional startup team. Attendees at a previous OpenAI Founder Day event. OpenAI will hold its Singapore event on June 22, 2026. Image Credit: OpenAI OpenAI has opened applications for Founder Day Singapore, a half-day event for startup founders, developers and builders from across Southeast Asia on Monday, June 22, 2026. The event will run from 2:00 p.m. to 6:30 p.m. in