 Caledonia Mining Corporation PLC AIM:CMCL, NYSE-A:CMCL, the Zimbabwe-focused gold miner has announced its long-serving chief executive Steve Curtis will stand down at the end of June 2022. Curtis will continue to be a Caledonia director, before transitioning from an executive to a non-executive role by the end of 2022 and acting as a consultant to the company until the culmination of 2023. 