Robert Dwayne Gruss Cleric
Robert Dwayne Gruss (born June 25, 1955) is a bishop of the Catholic Church in the United States. He has served as the eighth bishop of the Diocese of Rapid City in the state of South Dakota since 2011.
Robert Dwayne Gruss (born June 25, 1955) is a bishop of the Catholic Church in the United States. He has served as the eighth bishop of the Diocese of Rapid City in the state of South Dakota since 2011.