After graduating, Sayuri Tominaga worked as a System Integrator and has been an active member at Est rouge from the beginning. After supporting the initial establishing of Est rouge, she officially joined Est rouge as a founding member. She leads in project designing and management, including concept planning, UX/UI design directions, product quality control, and improvement process. She has directed the planning of the main services of our strategic partner, eplus (one of the biggest ticket agencies in Japan). These include festival apps and Streaming+, a video streaming platform. Currently, as the head planner, she is responsible for ensuring the quality of UX/UI for the entire Est rouge projects. She organizes and leads the planner unit.