BackgroundLeadership training is crucial for nurses to navigate changes, but research on nursing department directors' views of such programmes is limited. AimTo explore the perspectives and experiences of nursing department directors regarding a national leadership training programme for mid-level nurse managers. DesignDescriptive Qualitative Study. SettingsA national nurses association in Taiwan. ParticipantsA purposive sample of 11 nursing department directors who recommended mid-level nurse managers for the programme. MethodsEleven individual face-to-face interviews were conducted and analysed thematically between November 2022 and April 2023. ResultsThree themes and eight subthemes emerged, including directors' strategies for identifying potential successors, providing coaching and guidance, and observing changes in trainees. Directors reported the programme broadened perspectives, fostered responsibility, and enhanced leadership skills in mid-level managers. ConclusionsThe engagement of nursing department directors and their adoption of a coaching style, such as fostering a growth mindset, were instrumental in the programme's success.