火岩控股(01909.HK)：张岩获委任为执行董事、董事会主席及首席产品官

Group 1 - The core announcement is that Huo Yan Holdings (01909.HK) will see a change in its executive leadership, with Zhou Zhi resigning as Executive Director and CEO effective December 31, 2025 [1] - Zhang Yan has been appointed as Executive Director, Chairman of the Board, and Chief Product Officer [1]