"Memo has improved the organisation's strategic direction, and his work has substantially helped strengthen our national and international union and nursing alliances, which has enabled more open and collaborative engagement.
"He has continued to support members through some significant events, such as the industrial action of 2018 and the impact of Covid-19 on the nursing profession."
Musa was looking forward to the new opportunity, allowing him to return to work in his specialised practice of mental health.
"I'm excited to have a national leadership role in a time of great change."
Musa's last day with NZNO will be February 26, 2021.