董红光 Dong HongguangDong Hongguang

Xiaomi Group founding team member (employee #89). Spent 14 years at Xiaomi: OS research director who helped build MIUI, then business director who incubated quick app ecosystem, Xiaomi self-developed phone + automotive OS. One of China's rare talents who can independently build general-purpose OS from scratch. Founded Lightsail Technology (Guangfan Keji) October 2024 in Beijing. Team from Xiaomi/Huawei/ByteDance/Alibaba/Tencent. Self-developed Lightware OS native AI operating system. Dec 2025: launched world's first active AI earphone with visual perception. Seed: 130M yuan in 3 months (CATL, Shokz, Goertek invested). Seed++: 170M yuan (Lenovo Ventures + Xinghang Capital led). Post-money >500M yuan.