Former Colorado Democratic Party treasurer Mark Ferrandino has been sworn in as a member of the state House of Representatives.
Ferrandino was selected to replace state Representative Mike Cerbo, a Denver Democrat. He resigned to become executive director of the state AFL-CIO.
Supreme Court Chief Justice Mary Mullarkey gave Ferrandino the oath of office.
He also previously served as a budget analyst for the Colorado Department of Health Care Policy and Financing.
Ferrandino is the first openly gay man to serve in the House.