Randy Miller was sworn in during a ceremony Thursday at the Deschutes County Justice Buidling.
Judge Miller is taking over for Judge Barbara Haslinger who retired from the bench on June 30th.
He was elected in the May primary for a six year term beginning next January.
But Governor Kitzhaber appointed him to serve the remainder of Judge Haslinger's term.
In his remarks following his swearing in, Judge Miller said he's witnessed judges here in Deschutes County displaying honor, courage and commitment and its his intention to continue these high standards.