1, MathieuLehanneur: internationally renowned French designer and chief designer of Huawei. MathieuLehanneur was born in 1974. He graduated from the French National Institute of Advanced Industrial Design and is one of the international designers in France.

2. Mao Yumin, director of ux design department of Huawei software engineering, led five senior ux designers from Huawei to explain the story behind harmonyOS design from five aspects: optical imitation design, card design, HarmonyOS system font, gravitational dynamic effect and customized sound effects.