Iqaluit mayor Madeleine Redfern says she won't seek re-election in the municipal election later this year.
Redfern made the announcement at Tuesday night's city council meeting.
"Most of you have been informed that I have chosen not to re-run as mayor, with much deliberation and discussions with my family," she said.
"And, first of all, I'd like to say it's been a privilege and an honour to serve as mayor for this tenure, and I'd like to thank my community."
Redfern went on to thank city staff and city councillors, too.
She did not elaborate on her reasons for not running again.
Redfern, who was born in Iqaluit, is a graduate of the Akitsiraq Law School. She was elected mayor in a by-election in December 2010 after Elisapee Sheutiapik resigned. Prior to her election she was executive director of the Qikiqtani Truth Commission.