Robert Dwayne Gruss is an American prelate of the Roman Catholic Church. He has served as the seventh bishop of the Diocese of Saginaw in Michigan since 2019. Gruss previously served as bishop of the Diocese of Rapid City in South Dakota from 2011 to 2019.
Bishop Gruss in 2012 at Ellsworth Air Force Base
Bishop Gruss celebrates Mass for Rural Life at the Octagon Barn 2023
Bishop Gruss leaves Cathedral of St. Mary of the Assumption for a charity ride for Think Adoption Not Abortion in 2022 with local Knights of Columbus
Roman Catholic Diocese of Saginaw
The Diocese of Saginaw is a Latin Church ecclesiastical territory or diocese of the Catholic Church in Michigan in the United States. It is a suffragan diocese in the ecclesiastical province of the metropolitan Archdiocese of Detroit.
Cathedral of Mary of the Assumption
Roman Catholic Diocese of Saginaw