Linda Taylor has been announced as the leader of the Conservatives on Cornwall Council.
Cllr Taylor, who had been acting leader, will replace Cllr Phil Seeva, who stood down earlier this month.
She was elected to Cornwall Council for Lelant and Carbis Bay in 2017 and has previously been deputy leader of the group.
Commenting, Cllr Taylor said: "I am delighted to confirm my new position as leader of the Conservative group on Cornwall Council."
"I pay tribute to my predecessor Phil Seeva, who led the group through a period of transition following the elections last year."
She added: "2019 will be an exciting year for Cornwall and I look forward to leading Group into new waters for the new year and beyond."