雷军，职务变动！

Group 1 - Lei Jun has transitioned from Executive Director to Director of Xiaomi Home Business Co., indicating a shift from daily operations to strategic oversight [1][5] - The company was established in June 2017 with a registered capital of 100 million RMB, fully owned by Xiaomi Communications Technology Co., Ltd. [1] - The business scope has been expanded to include sales of smart home consumer devices and hair accessories [1] Group 2 - Lei Jun's withdrawal from executive roles in various subsidiaries suggests a broader trend of stepping back from day-to-day management [5][7] - The public's sensitivity to Lei Jun's exit from Xiaomi reflects his deep association with the brand, as noted by industry peers [8] - Recent changes in the naming of Xiaomi's driving assistance features following a serious accident highlight the company's response to safety concerns in smart driving technology [10][12]